These two are great (I own both) :
- M-Audio ProFire2626 (FW)
- M-Audio Fast Track Ultra 8R (USB 2.0)
http://www.m-audio.com/products/en_us/ProFire2626.html
http://www.m-audio.com/products/en_u...ckUltra8R.html
Both work great with Win7/64. Excellent drivers, rock solid.