Hi Chris,
This is Tony from Dalton Aviation. I built both 40% Extras for Mark and can answer some of your questions. The plane RTF weighs 42 lbs using my Carbon cannisters. His new plane has 3 8611 servos per aileron, 2 8611 per elevator and 3 8611 for the rudder. Mark likes the rudder servos in the tail because you can have the servos pushing and pulling, plus you dont need to worry about stretching or breaking cables. I am currently working on a Carbon gear to replace the aluminum to reduce the weight. We also moved the wing up making it a 300 instead of the 300L and now takes around 3 to 4 % pitch and roll coupling. I also flew the same plane at the Nats and it is one of the best flying planes I have ever flown.
Hope this helps and I am sure Mark will be by soon.

Tony
www.daltonaviation.com