Moving form 50NL to 100NL?

[DWarrior]

Hi, about a month ago, I went from 4-table 25NL to 4-table 50NL and, after about a week of adjusting (when I didn't win as much as 4-table 25NL), I started doing pretty well. PT's bug won't allow me to import Crypto properly, so I can't see all my games, I played for 40 hours, which is just under 12,000 hands (I wish I had played more) on Prima and Party and won 21.xx/hr, not counting rakeback and bonus whoring, plus I added a 5th table a week ago (I'll more likely be at around 16-17/hr after the bath I took on Crypto). I play 6-handed tables.

I think I have a pretty solid theoretical foundation, since I made it a point to read all the suggested poker books, and I was mathematically inclined in highschool (don't know about college, my APs took care of 2 years of math), so now I think I'm primarily lacking experience and I have some work to do on my discipline (I have to get myself to play more hours). When playing, I generally have an idea of what my bets are supposed to accomplish, and most of the time I know what to do depending on how my opponent responds.

Anyway, my bankroll is 20x buy-ins for 100NL, but what should I look for before moving up in limits? My agression is pretty high, around 4.xx, though my VP$IP is a bit low, only around 19.xx (some say it's a bit low for 6-max, so I'm working on incorporating a couple of more marginal hands and situational raising), my WTSD% and W$SD are average, 22.xx% and 53.xx% respectively. I know my high aggression is in part due to my low VP$IP%, since it's easier to play when all I'm not playing too many marginal hands. My auto-rate is between an Ultra-Agressor (bomb) to an Eagle, depending on which autorate you use.

Is there anything else I should be looking for. When should I be making a jump to 100NL?