Honestly though, I don't feel like thieves are at all balanced compared to other classes right now. Sure, they have some neat tricks, but do they really stack up against a conjuror with an elemental and transplendant? I don't feel like going all one path is really an option if you want a character that will be at all fleshed out. I would recommend giving thieves something along the lines of a major and minor path. The major, they can go all the way to the top. The minor gets them like the first 5 or 6 skills in a set. Under the recent changes thieves are really pretty screwed if they diversify whatsoever.

Enbuergo, Pro-Thief Lobbyist