I built up an all mountain bike this fall and am unsure of what to do for brakes. It currently sits with Juicy 3s on it, but I ran it with Hayes HFX9 10th anniversary brakes as well. The J3s don't seem to have much modulation. I've ridden J5s before and they seemed a little too much like an on off switch. The 9s have good modulation but lack a bit of power. I also have a set of BB7s I could run but I'm not to keen on the amount of force it takes to get them to stop. I'd like to keep it simple and use one of the brakes I have, but would be willing to upgrade if I could find the right price. I weigh in right at 200lbs and ride mostly technical trails and have no problem taking decent size drops and I love to let the bike run out hard on the downhills so power is an obvious concern. Oh and I run an 185 rotor up front and a 160 in the rear.