I just tried it, took me less than 25 seconds from sign on to complete 2010 topps list--can't hardly complain about that.
I'd consider myself as proficient at using their system as you can be, and I couldn't get 300 cards to load into one of my collections last night. It just kept spinning for about 15 minutes. The point is that at times it is fast, and at times it is frustratingly slow.