I found the old hk really great, funny and dangerous I hope this new hk is just as good as the old one. From what i've heard you'll have to trick him into telling you the truth when you first meet him I wander why he'd be trying to lie to you...
That might me but perhaps there's a planet that we haven't heard about (possibly Hoth?) although I doubt it and if my therory isn't right (which it probably isn't) your's is the most possible
Level 30 should be max because I want as much time as possible to play the prestige classes, level 30 would give enough time to raise your skills so that they'll be more effective because this time skills are going to play a bigger role in the game