I know this is a bit of a legally iffy point, but it appears that as part of the CS2 pseudo-release, they have opened up Audition 3.0. This is a great great tool, and having access to it is pretty powerful. That plus Reaper and you're cookin'!
Has anybody tried downloading and installing with the provided key? My download is hours and hours away they way Adobe has been hammered over the past few days.