I've been looking for a new card recently to replace my old 6800GT and stumbled on your post.
I haven't made up my mind between going with an Nvidia
GF 8800 or an ATI 3870.
But like you, I'm leaning towards ATI because overall I can
get one for a good deal cheaper then a Geforce.
Anyway, I came across this. Hopefully it will work with a