I two-barrel and three-barrel better, and I have much better grasp of range & equity thinking. I'm also better at pot building and setting optimal SPR.

The former poster, ISF made an awesome post about dependency between aggression and perceived range, which totally changed my thinking process (those occassional sick all-in bluffs finally started to be non-spew +EV play heh)

If I played with former 2007 me, I'd be probably slight winner, but if I played "me from 2006" I'd run myself over with bets and raises, because I was very weak tight back then.