I will recommend http://www.vimeo.com/
what the other poster said. It is mostly used by filmmakers.
I also recommend http://www.veoh.com/
Other than that, I don't know of any other sites you can go to.
Those two websites are the next best thing to YouTube and it generate lots of traffic.
The only reason why YouTube is cracking down on copyright materials is because of lawsuits. I am sure they would love to have them but they can't.