To answer to an PM and maybe this will help and other users..

1.Speed.Cd invites are given from time to time to Power User (1 invite) in rest only by donations are available...
Also check my thread here link http://torrentinvites.org/f23/how-ge...-tracker-9740/

2.Sister sites of IPTorrens are:
-Speed.CD
-SceneTime
-Torrentday
-Torrenting.com