Nah, you're not a wuss... it's much better to play below what your bankroll allows and be comfortable with it rather than moving up just because you can and worrying about losing your money. Playing scared can only hurt your game.
Probably 25NL, at least 10NL while taking shots at 25NL.
Actually I have like a $1000 BR and I'm playing 10NL right now but I'm trying to teach myself how to 24 table without going broke in the process
My bankroll on stars is currently $275 and I am only playing Limit Holdem $3/$6. I enjoy it and feel comfortable there. That would be my suggestion.