Anyone use xbox controllers on PC?  I've always wondered why more xbox developers don't go for the PC market via port considering that controllers are always an option.  Are there really that few pc gamers left? :(

I do for racing games, but, other than that, no.

I bought a wired 360 controller to play Jedi Academy. Haven't tried to use it yet.

Best examples are obviously racing games.
 
Also, Just Cause 2 felt way better with the 360 controller on the PC.

I do, depending on the game.

Just racing because it's like the only kind of game that requires pressure sensitive controls. 

" Best examples are obviously racing games.  Also, Just Cause 2 felt way better with the 360 controller on the PC. "

I do for some games.. shooters? no... racing games, devil may cry, force unleashed? better on a controller

I'm playing Grim Fandango on the PC at the moment with a wired 360 controller.
It makes the cumbersome tank controls infinitely less annoying imo

3rd person shooters always feel better with a controller to me than a keyboard and mouse. Racing games of course. Flight games etc etc. I bought a wired controller but have yet to use it considering i have a not quite built computer.

I do for adventure games or games that would feel more natural with a controller.

I use an Xbox 360 wireless controller, works on every major title, along with quite a few you wouldn't expect it to work with (mainly indie games). I use it for racing games and some slower paced shooters or adventure games.  
 
Porting to PC isn't just a change in control scheme, they would need to rewrite and recompile most of the code and make sure it's compatible with the majority of configurations. It's almost as much work as making the game from scratch. 

I got a wireless receiver so I can use my xbox360 controllers with my laptop.  It works pretty well and was cheap on dealextreme.  I'm playing Trine with it and it's working out great.
 
I'm not really sure why the PC doesn't get more ports of console games.  It must just be simply the man-hour investment could be better spent doing the next console release instead.  I think they could certainly turn a profit with a PC port but the return on the time invested is better if they just move on.  Maybe that's going to be the death-story of PCs and open computing architectures.  Closed systems are more profitable in the short term.

I use it for devil may cry 4, racing games and street fighter 4 which will be difficult without it. I'm using a logitec cordless rumblepad 2, not recommended because the button layout isn't exactly like the xbox360 one. If it thinks you are using a xbox360 controller, the config is going to be messed up if you can't reconfigure the buttons for the options.

I have a few controllers I use on PC, especially a wired 360 pad, PS3 and a PS3 Fightpad. Some games just feel wrong with a keyboard and mouse especially when your talking about emulators.

" Anyone use xbox controllers on PC?  I've always wondered why more xbox developers don't go for the PC market via port considering that controllers are always an option.  Are there really that few pc gamers left? :( "

Yes i love using my xbox controller for select PC games, even though im considered PC hardcore or wtvr the fuck kids call us these days.  
 
I use it for racing games like Dirt2, and for *some* TPS like Mafia 2, where I prefer analog movement (walking speed - running speed). Mass Effect 2 on the other hand was mouse and keyboard because of all the hotkeys I could bind. 
 
They just need to get off their asses and provide analog movement to keyboards (pressure sensitive keys) or analog nubs on the mouse, etc. I'm tired of pressing shift to run or sprint. Shift should be used for something else. My pinky is tired.  
 
I find it wierd game reviewers still get amazed everytime a game switches its GUI to console version on the PC once you connect the xbox controller. Most games do that these days

Ya I use that wireless receiver to hook up my xbox 360 controllers to my pc and it works great. Right now I am using it to play Need for Speed: World, cool racing game that sucked with the keyboard. Another pc gamer I couldn't play without the 360 controller was dead space, I'm wondering if that'll be the case for dead space 2 as well.

Yeah I use a Horipad EX2 for almost everything except FPS's and some RPG's.

I use either my trusted Logitech Rumblepad 2 or a Dual Shock 3 with system tweaks. Mostly for fighting games, hack'n'slashes and sports games.

 
In very rare cases I use the X360 on my PC.  For instance, Batman: Arkham Asylum just didn't feel right with a mouse and keyboard. 
 
Actually, I've been playing through Halo CE on the PC recently, and I was able to use BOTH a X360 controller and the mouse.  I held the controller in my left hand and used the analog stick for more precise movement than WASD can produce, while my right hand used the mouse for pinpoint aiming.  I don't know if that was sacrilege, but now I want every shooter to support that control scheme.

Games I've played with a wireless 360 controller on PC include Assassin's Creed 1 & 2, GTA4, Resident Evil 5.  If a game has the "Games for Windows" logo, then you know for certain that you can play it with a 360 controller if so desired.  Assassin's Creed 1 & 2 don't have the GFW logo but they still offer support for the 360 controller.  So you may find that there is more controller support for PC games than you realise. 
 
Edit:  Ah yes, thank you for reminding me Hashbrowns, I also played Batman Arkham Asylum with the controller.

I played thru the GTA3 cycle again recently and used the mouse and keyboard for all on foot activities and picked the controller up out of my lap for all the in car stuff.

I do for third person shooters, they just never feel right with a keyboard and mouse, that might be because of my love for socom. A recent example is with Mafia 2, tried it with keyboard and mouse at first and it was fun, but once i tried the 360 controller with it i couldnt turn back .

I use PS3 dualshock controller + motionjoy (which emulates the PS3 as the XBox 360 controller) for driving, flying and emulators.  The triggers on the PS3 controller are better for driving games, IMHO.

As a games programming student I've used Xbox 360 controllers on the PC for debugging games but I haven't used controllers on PC games outside of that.

I used to use my PS3 controller, but it stopped working, and I can't get it working again.

Like everyone else is saying, I use a controller for racing games.   I also use a controller for certain puzzle games like Chime.   
 
With 3rd-person games, it's somewhat complicated.  I played Assassin's Creed with a controller, but that's because it has melee combat.  I prefer using mouse/keyboard with pretty much any game with guns (Splinter Cell is a good example of 3rd-person shooter where I use mouse/keyboard).
 
Currently, I'm playing through the original Mafia.  I use the mouse and keyboard the whole time, unless I'm in a car.  Then, I just pick up the controller until I get out of the car where I switch back to keyboard and mouse.   One big advantage of playing on PC is that you can have multiple inputs hooked up at once to do this.

Makes no sense to me. The primarily benefit of PC gaming is WASD+M.

I use my 360 controller all the time, just finished up the newest PoP game with it. I pretty much use it whenever analog movement is important. I played RE5 with it but that was because of RE4 being on the GC.

I often use my dualshock 3 to play games on steam.

I used to use a PlayStation knock-off when there was still Madden for the PC.  Now I just use a 360 controller for games like Assassin's Creed, Batman Arkham Asylum, Street Fighter, Lego Star Wars, Dirt 2, etc.  Basically anything that plays better for me with a controller.