"REAPER is a powerful but sensible Windows application designed for the recording, arrangement, editing, mixing and rendering of audio. REAPER provides a flexible but easy to use interface that is equally suited to amateurs and professionals alike."

I've been beta testing this, and so far it rocks. get it while it's still free.

http://www.cockos.com/reaper/

"is experimentally supported using WINE."

i will definitely give this a try.

let me know how it goes. i'll pass along the info.