Ya, looks like that hitec servo has almost twice the torque at 6v, but 200oz works fine for my g3r. I perfer the futaba over the hitec, and having brushless everything is just cool!
Looks like futaba has a brushless servo in the 400oz range now:
http://www.gpdealera.com/cgi-bin/wga...pgm?I=FUTM0512