The Disc+ On Demand program from Amazon has been expanded to over 10,000 titles after a successful launch.  If you buy a qualifying Blu-ray, you'll get an On Demand copy as a gift with your purchase.  That means that once you've bought a disc, you can watch the movie on your PC.

Things are even better if you've got an Amazon on Demand capable device hooked up to your television.  If you order 'Kick-Ass,' 'Sex and the City 2,' or even classics like 'Psycho,' you'll get to watch the movie right away.  You can find the full list of movies over at www.amazon.com/discplus.