What do you organize & play your music collection on?

I'm thinking of ripping my CD collection (approx 400+ CD's) back onto my PC after upgrading to Win 7 last year. 
I used to use itunes but now use WMP to organize & play my music. 
Can anyone suggest better programs to use that have a decent library and info updating system?

I use WMP too, but before that I used winamp for a good long stretch.

I use Zune; I have a Zune, but I think that in and of itself the software is pretty great. The way in which music is organised is great, especially since the update that came with the ZuneHD (what I own).

I use Winamp when I'm not using Spotify. It can add ID3-tags automatically and stuff. Serves my needs well enough.

I use iTunes, and have to put my shit on Zune, but recently I've gotten so much music that I haven't fixed all the ID3 tags yet and it's not on Zune. Shit.

I use iTunes, but only because of my iPhone. If fucking hate iTunes with a passion, especially if it's running on a PC, I much prefer WMP because it isn't slow as fuck. 

I use Foobar2000.
 
Problem is most Plugins made for it are now obsolete because it just came out of beta.

Itunes

Foobar is the best, no doubt.

I used Foobar but I switched to Zune since it practically does everything for me, and wireless sync is pretty rad with the Zune HD.

iTunes + iPhone.

iTunes, runs wonderfully on my Mac but I had issues running it on my desktop PC. 

I have an iPod, so I just use iTunes. 
 
For those of you who have a Zune, how is the software? Easy to use? Also, is it easy to transfer thousands of songs from iTunes to the Zune software?

pc

I don't use anything because iTunes sucks and I don't feel like downloading any other stupid programs.

My Ipod believe it or not. I barely keep anything on my PC. Maybe 400+ or so songs. Some albums, etc.

"I have an iPod, so I just use iTunes.  For those of you who have a Zune, how is the software? Easy to use? Also, is it easy to transfer thousands of songs from iTunes to the Zune software? "

 
What do you mean?
 
Do you mean like Spotify and stuff?
 
If so,Spotify.

I organise my music collection by hand, I get a small amount of music at a time so its easy to make sure they have the correct artist names/album/file names (the last one is a pet peeve of mine, I hate files names like Artist - Song.mp3 and prefere the artist name of the folder and just song.mp3). I mainly listen to it on my PSP so I connect it as a standard flash drive and manually copy the folders of the artists (or individual songs) that I want to the music folder.

Windows Media Player Lossless ~2000 discs @ 300mb per (or so) takes up a good chunk of the 750 gig drive I use for my media. But they sound great!
 
I like the nice clean interface of WMP (and since I'm old and listen to whole albums I don't tend to need playlists and that sort of thing).

Spotify, also iTunes for my iPod for listening to music on the go like its plugged into my feggin brain.

My knowledge of Zune was little to none so going to download the software and see what the fuss is all about.  

I use MediaMonkey, its not the best but its easy to update tags, organize files, and it works with ipods.

I still use Itunes, strangely enough

I roll with iTunes, and don't get why it's hated. It works fine, has some cool features, plus the store has a lot of music.

 I use Windows Media Player. I use Spotify more now but Media Player is where my music collection is. About 1100 songs.

While iTunes is not great, its sufficient for me on my iMac.

Zune Software 3.0, because I have a Zune.

Itunes and Songbird

itunes, it's good enough. And now that I have my ipod, it still makes sense.

Zune, because I have a Zune. I actually only got a Zune because I've always hated iTunes on Windows and how sluggish it had always been for me. Never tried it on a Mac though.

Windows Media Player. 
 
I also have iTunes, but it can suck my nuts. It's so unorganized. The only thing i use it for is getting the bombcasts.

WIndows Media Player is mega good.

I only use iTunes because I prefer its interface to the Zune software, and I don't think the Zune software supports last.fm (or vice-versa).

I would use WMP, except it doesn't write tags properly. So since I have an iPhone, I'm using iTunes. Not exactly a fan of that program, but meh. 
 
MediaMonkey is still the best program for organizing your music, hands down.