http://hollywoodvideo.com/
The easiest way I found to browse is to sort by
ALL (leave BD and DVD selected or it filters some titles for some reason) and cost
High to Low, since the BDs cost more than the DVDs and there are a LOT of DVDs. There are only about 100 or so BDs and not a spectacular selection, but I picked up 5 titles at that price: $6 shipped! Note that the titles are updated often, so you might want to check back once in a while and also because the deal is good, the site is extremely slow right now. The first day browsing was no big deal, but today it was sloth-like. Yes, it is not limited to BD, DVDs are included.
Also you can use code 25PV to save 25% off the order and free shipping.
There is tax and there is also a glitch where sometimes a disc comes up for $0.00. Watch for this one as they will usually catch it and delete them from your order. I read that at least one person said theirs were confirmed as shipped, though haven't heard back from him whether or not he received them.