Link---->> Creative Labs sound cards <<----Link
Now, I'm biased towards Creative Labs because my brother has one and its superb, and I have a cheap ($20) 2.1 system I bought at wal-mart from creative, and its sweet. I won't go with any other brands, unless you show me one thats really impressive.

I am leaning towards the Fatality card, It's a bit pricey, but it has a higher KHz, and has its own RAM (from what I understand.)