If you can up your budget a bit you can kill two birds with one stone. The Mackie 12 channel Onyx board has fantastic live sound. It also has an optional firewire interface that will record all the channels to a computer (free software included) to a computer. The board does the analog/digital conversion so it should be cleaner.
I have the board (but not the firewire interface yet) and absolutely love it. As a reference, Linkin Park's Mike Shinoda also uses it and raves about its sound: http://mackie.com/artists/index.html?id=405&y=2004

The Mixer for sale w/ reviews: http://www.musiciansfriend.com/srs7/fg=102/g=live/s=mixers/search/detail/base_pid/634267/
The Interface for sale: http://www.musiciansfriend.com/srs7/fg=102/g=live/s=mixers/search/detail/base_pid/634269/

The mixer promo/info at Mackie's site:
http://mackie.com/products/onyx1220/