There's a Fantastic Four set coming out as well, I think either this month or next month. I have the Spider-Man one. The scanning is pretty well done. It's all in PDF. Obviously the oldest issues are not as crisp because they're scanned from someone's collection (the set says who but I don't recall)... newest stuff is of course great-looking. I imagine the FF set will be very similar.
I did check out Cerebus' thread http://the-w.com/thread.php/id=28280 which was very helpful, but I'm also looking for some individual attention. Below is a post I made on another comic book board, but I'd like to get The W's take: