IMHO - I gotta put in my vote for an inexpensive film scanner over any sort of flatbed. I have an HP S20xi for 35mm and an HP 7400c with trans adapter for medium format. The S20 simply works better/faster. It's worth the extra $200 over the Epson flatbed. Get a cheap flatbed to scan larger prints. Scanning most any print at over 600 dpi is pretty much a waste of bandwidth. The S20 does a fine job scanning any print up to 5x7at 300dpi. I need a Polaroid 120 for medium format and I'll be set. Between flatness issues, newton rings, fingerprints, and dust, scanning film on a flatbed is about as fun as dental work.... (these are still issues with film scanners, just less so.)
Just my .02... Regards, Chris L. School Publications Guy