This is no kidding, after you experienced with it you'll going to say that MEGAUPLOAD SUCKS. It is totally easy, you don't have to delete cookies, etc.
THE THING YOU HAVE TO DO IT IS COPY ANY RAPIDSHARE LINK AND PUT IN THIS SITE, THIS WILL GENERATE YOU A PREMIUM LINK FOR YOU.
AND NOW THE SITE IS
http://www.rapidgrab.org/
SO ENJOY IT AND TRY TO GIVE ME SOME FORUM SITE WHICH CONTAINS MOST OF THE RAPIDSHARE LINK.