Puglsey flew his (now mine) with a Saito 100 - maybe he'll chime in here. Talking with him he said power was decent but could use a tad more. I've seen one fly with a YS 110 on a pipe and it was outta this world.

Currently I have an OS 91 FS II-P on mine - still breaking it in. Does fine for standard patten work. Could use more for 3D. I'm thinking of going to an OS 91FX or Saito 100.