What servos would you recommend for a goldberg extra 300? I would like to have dual elevator servos and two aileron servos as well. I'm looking at futaba and hitec coreless. How much torque, and speed? I'm not really sure whether to get 9001's or go to the $80 range digitals. I want servos that will work now, and in a future planes if need be. By the way this is a ~9lb plane with a 68" span.
Right now the plane has standard high torque servos. 3010's

HITEC 5645's you can use them all the way up to 35 percent and ther digital and like 55 bucks.