that set up would be fine. i have futaba 3004s on my ailerons. a hitec high torque on the rudder and Tower servos on the ele and throttle.[X(] i sould update.lol I have been flying it HARD for sence the middle off summer and i am still useing the same servos.
here is a video just to show you how hard it can be flown with standard servos. copy and paste into the address bar. i think you will be fine.
http://www.rcsites.net/kyle300s/kyle%20hey%20ya.wmv