try to get mepis or ubuntu live, to see if they detect your sound.. if they don't, then you should prepare for sometime tinkering with your hardware
people always ask what is the best linux distro, but in fact, every one of them can be made just like the next one, as they run on pretty much the same thing..
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lisp hacker

running: FreeBSD 5.4 - still learning

develop with: SBCL + emacs for lisp, Anjuta IDE +gcc for c, SPE for python..
browse with: opera