I'll be honest I have been out of the PC gaming arena for a while every since II started playing on consoles more.   
 
However now thanks to the new PC I have just bought I am back with a vengeance.  The PC edition of Mass Effect 2 and Dawn of War II are my current games of choice but you also cannot go wrong with the latest Tales of Monkey Island and Audiosurf.  
 
However the big reason I am so glad to be back is Steam itself.  Microsoft really need to take some lessons from Valve on this when it comes to Games for Windows Live.  The integration is seamless the community is fantastic and the PC is the only way to play for me at the moment thanks to this. 
 
Feel free to add me on steam (meegs6sic6) or GFWL (DeadSoul2004) I am always looking for people to play with/against

I'll be honest I have been out of the PC gaming arena for a while every since II started playing on consoles more.   
 
However now thanks to the new PC I have just bought I am back with a vengeance.  The PC edition of Mass Effect 2 and Dawn of War II are my current games of choice but you also cannot go wrong with the latest Tales of Monkey Island and Audiosurf.  
 
However the big reason I am so glad to be back is Steam itself.  Microsoft really need to take some lessons from Valve on this when it comes to Games for Windows Live.  The integration is seamless the community is fantastic and the PC is the only way to play for me at the moment thanks to this. 
 
Feel free to add me on steam (meegs6sic6) or GFWL (DeadSoul2004) I am always looking for people to play with/against

Depending on how good your computer is check out the PC version of Battlefield: Bad company 2, It's currently my favourite game.
Glad to see another person moving on back to the PC scene, I've always had PC at heart but most of my friends have an Xbox so I had to buy one of them.

" Depending on how good your computer is check out the PC version of Battlefield: Bad company 2, It's currently my favourite game.
Glad to see another person moving on back to the PC scene, I've always had PC at heart but most of my friends have an Xbox so I had to buy one of them. "

I've been playing Dawn of War 2, er, too.
 
I'm absolutely addicted to "The Last Stand" game mode.I'm nearly level 20 with the Captain and level 15 with the Mekboy.
 
I suck at the 3v3 online though.  I only rank up my hero and support him with a few units cus I'm not great at all that micro-management lark (and this game is supposed to alleviate the chore of micro-management!).

BC2 is pretty great on PC.  When you end up with two evenly matched teams trying to win the game, it's awesome - but when you end up with about 18 snipers on each side just trying to rack up a good score for themselves, I find it infuriating - especially if you're supposed to be attacking.  I kinda wish they'd cap the classes like Day of Defeat, or give more of an incentive to try and win the game.

All the love Dawn Of War 2 is getting makes me want to play it again! I've got it installed but just haven't bothered playing it for a while.
Guess It's time to play it :)

I really enjoy Fallout 3 on the pc. I also love WoW, Psychonauts and L4D2. 

I had a 360 for a year or so, bought it just to play Fable 2. Ended up selling the whole system early this year. Tax refund got a modest media center/gaming rig for myself. I've always been more of a pc gamer. Seemed to me 360 owners really get juiced for money, where pc gamers get drm'ed to death. I gotta agree with the OP on Steam, Valve really struck gold. Sure it has it's own form of drm but it has yet to get in my way when I want to play some games. Really gotta get Bad Company 2, heard so much good about it. I only played a demo of the first one, worth grabbing it first?

" BC2 is pretty great on PC.  When you end up with two evenly matched teams trying to win the game, it's awesome - but when you end up with about 18 snipers on each side just trying to rack up a good score for themselves, I find it infuriating - especially if you're supposed to be attacking.  I kinda wish they'd cap the classes like Day of Defeat, or give more of an incentive to try and win the game. "

" @Jimbo said:

" BC2 is pretty great on PC.  When you end up with two evenly matched teams trying to win the game, it's awesome - but when you end up with about 18 snipers on each side just trying to rack up a good score for themselves, I find it infuriating - especially if you're supposed to be attacking.  I kinda wish they'd cap the classes like Day of Defeat, or give more of an incentive to try and win the game. "

You look like you've played the game, good sir.  Have you played Modern Warfare 2?  Also, should I trade in MW2 for this game (360 MW2 for PC BC2)?  And no I can't possibly have both. "

" YYYYYYYEA! "

" YYYYYYYEA! "

" I'll be honest I have been out of the PC gaming arena for a while every since II started playing on consoles more.    However now thanks to the new PC I have just bought I am back with a vengeance.  The PC edition of Mass Effect 2 and Dawn of War II are my current games of choice but you also cannot go wrong with the latest Tales of Monkey Island and Audiosurf.   However the big reason I am so glad to be back is Steam itself.  Microsoft really need to take some lessons from Valve on this when it comes to Games for Windows Live.  The integration is seamless the community is fantastic and the PC is the only way to play for me at the moment thanks to this. "

What resolution are you pc gaming at? Higher the better imo.

Mouse and keyboard any day of the week.

I love pc gaming too!
 
that makes us...

One of us....

" One of us.... "

Just no piracy brosef! I every once in a blue moon do but now Steam makes it much easier not to. I'm only 14 so October I can finally get a job and a loverly 24" monitor for my center.

Its great if you avoid ports like GTAIV, saints row 2 and some other horrid ports i will not mention. 
 
Other than the occasional bad port, PC gaming can be pretty awesome.