Sound card eh? well heres my advice.
dont go with the Soundblaster Live 24 Bit, The Live series had all kinds of problems with windows xp and various motherboards. I should know I owned a Sounblaster live valu card. The cheapest card that I would ever recomend is the Turtle Beach Rivera. I consider that the bottom on terms of whats good. As for a realy good card I recomend the Creatives Sound Blaster Audigy 2 ZS.
Here are my reasons.
1. Its THX certified! So it has to sound good. You will hear things that you didnt on most other sounds cards, even on the Rivera card this has 2 to 3 times better sound quality.
2. It 24 bit capable, and it suports up to 7.1 surround, can you say over kill!
3. It seem to be the best card for the price.
Thats it.
unless you want to get the X-fi card. with is a little better, but costs more x-fi is basicly the Audigy Zs2 with a few more studio and recording features.
Btw Dont get anything on it that says Value.
Here are the newegg.com links/reviews, and prices
Audigy Zs 2
Rivera