Do you know any mainstream VOD provider? Particularly U.S. Vod are very interesting for the rest of the world, because a large colection of movies are available. Please do not post adult vod or filesharing programs or links.

I think there are only short video clips?

http://www.amazon.com/ some vod movies, but not available outsite code 1 region 

yes, sure, but i want see a preview, before i order a dvd from u.s. sometimes it is expensive or problems with custom offices or dvd is hard to find

blockbuster offers this now - the bankrupt company was purchased by viacom and they are starting to offer competitive services