General-IPTorrents (with Torrentleech.org coming in close)
Music-What.cd
Movies-Passthepopcorn.me (PTP)
Tv shows-Broadcasthe.net (BTN)
Games-Gazellegames.net (with BCG a close second)
XXX-hey.fux0r
That would be the general hierarchy of private trackers, If you own an account at each of those you wouldn't need an account at any other tracker for the rest of your life. Period.