Soundcard Recommendations

I currently have a Creative X-Fi Fatality sound card in my computer. Unfortunately, my switch to Ubuntu has left me driverless (I do know there is a driver, now goodluck getting it to actually install). Now I do not know what route to go. I was thinking M-Audio Audiophile 2496:
I realize I cannot skimp here since I'm hoping to buy Magnepan MMGs this summer to replace my JBLs. I am trying to keep cost as low as possible but realize I may need to spend more than I like/have. Thanks for any suggestions.
Check in over at under the "Computer as Source" listings. You'll get plenty of info/responses there.