MrCow was a famed soloer before dungeon scaling and hirelings where in the game. In the following threads he gives his experience in quests levelling his TR and the time taken foe each level.

Diaries of a TR Arcane
http://forums.ddo.com/showthread.php?t=226992

Diaries of a TR Melee
http://forums.ddo.com/showthread.php?t=237895