If it's really a SB Pro then it's a quite poor choice as that
card is 8bit only and has an AGC which harms more than it helps.
http://www.ife.ee.ethz.ch/~sailer/ham/linux/hf.html
should work on any 16bit soundcard.
> two? Needs to be pretty easy to config though, as I am new to Linux.
Doesn't fit that requirement though.
Tom