some one can recommend me torrent sites?

i have some sites and i would like to have some others who get all the downloads type such as: games movies and so on...
i know that there is a post of torrent sites but i wanna know wich sites you use and you can recommend it...
and i want sites that are closed for signup...
and tell about their speed...
thanks and sorry if i did something wrong...;)

http://araditracker.com/

A GREAT SITE WITH EVERYTHING . MOST OF HIS TORRENTS ARE VERY FAST .

damn.. I recommand www.filelist.org www.torrentleech.org www.torrentit.com :)

how i can signup to the sites:
http://www.torrentit.com/
http://www.filelist.org/
??
they have an irc channel?
maybe their we can ask for an invite...
thanks