Hey,
I am no d20/3.0/3.5/Pathfinder expert, but I LOVE Pathfinder Beginner Box and I love E6, so the P5 mentality makes me very happy.
Someone on rpg.net suggested doing Prestige Classes as instead Prestige Paths using the Bonus Feats for every 5,000xp gained after lvl 5.
I have NO IDEA how...