Video on Demand sites are pretty straight-forward letting you browse a wide range of porn movie titles, order them now, download them now, and watch them within minutes. Sites offer a variety of payment methods from credit cards to tokens, and usually a few different formats, too. VOD concentrates on downloadable formats like WMV, MPEGS, AVI files, and you don't need to worry about DRM protection. What you buy, you get to keep and watch whenever you want. There are thousands of titles available spanning everything from anal sex to jail babe bitches, teen twinks to college co-eds. Lots of variety, right now!