The two sets of five box groups (1 and 2) I am leveling from scratch are this (blood, shadowx3, warlock and warrior, rogue, arcane, elemental, hunter). I am bored with paladin focused tanking and I wanted to change things up (and i need someone to unlock all my boxes!). Just creeping into Northrend now with all of them.

I have a second wotlk team (group 3 and 4) that are retired, that I can pull from.

http://raidcomp.mmo-champion.com/?c=...00000000000000

I like these teams because of the dual spec role options. When leveling and when grinding randoms I can just login with my tank and have hotkeynet randomly give me four other characters and play the day with those. This really helps work out macros for the outlying spells that people just neglect.