LRP Have a Sphere comp in the works, I was told that it was due out end of Jan but I have not seen one yet.
can handle a brushless motor down to 3.5 turns, and they also have a '4-star' motor due out with the speedo that is quicker than the all ready fast 3-start motor.
see mid-way down this page
http://www.rc10.com/shusting/CatalogHub/lrp/sphere.htm
edit - another bonus with the LRP setup is that if you region allows brushless motors, you will be able to use it, the Novak Velocity motor is not BRCA legal
http://www.brca.org/BRCA/elecboard/n...s%20latest.doc these are the only legal brushless motors for BRCA