BB had a huge blowout on their Superbit titles when you mentioned, I stocked up on quite a few myself on the ones I didn't have but wanted at that point.
I think they've since gone up there, not competely sure, though. DDDVD does have good good prices (and good service), but aren't necessarily always the best deal. When they run specials like this, they're usually pretty worthwhile, though... -TD