mirracos are the way to go
if your over 6'2 you definately want a 21" TT. You could also get away with riding a 20.75. Take a look a the mirracos. They come complete with everything you need to bmx. (Small Sprockets, sealed headsets, cranks, hubs, integrated seat clamp and headset, pivatol seat and post) Most of the bicycles completes range from 24-26 lbs.