Best spot I've found so far to kite 70+ is the lost gnomes instance in Drachnid Hive. Use MQ2Map along with some sort of HUD to identify the casters in the instance, aggro everything else you can safely aggro. Drag all the mobs back to the door. Hit your DA song and /circle 55. Start up the targeting macro from page one and you're gtg for a few hours.
Keep in mind that if you get casters in your kite, it's gonna hurt. They're wizzy's or necros and WILL snare you, and put the hurt on with some mean DD spells. Best to fade off the bunch and try to gather a good clump of non casters.
If you run out of mobs in all the rooms, you can /open all the cocoons while /stealth...whatever is in it won't aggro and you can come back through unstealthed and aggro all the mobs and leave the gnomes. Once all the mobs are dead you can /say "follow me" to each gnome to win mission and get whatever cursor/chest loot is awarded. If you /say "follow me" while stealthed, and the gnome aggroes a mob, the game recognizes the gnome as your pet. If/when the gnome dies, the mob will aggro your character at the point you /stealthed. Be warned.
Doesn't hurt to being a looter, I looted seven maleable loams in two clears last week.