Digital Playground is a very popular name in the adult industry. They have a big database of over 2700 movies, hundreds of "behind the scenes", thousand of pics of over 800 girls. Some of them having an exclusive deal with DP, so you won't seen them somewhere else.
The videos are all streamed in HD quality and you are unable to download them unless you pay something extra. Apart from the lack of offline-entertainment, you will get the hottest porn stars currently in the businnes for a good price. Weekly updates where they provide full scenes make you want to come back.
If you regulary visit some tubes, you will already know the logo and some videos. For all trailers check out the videos below.