I just purchased 3 planes from Giant scale planes at the Wram show and I was wondering about the quality of these ARF's. I purchased the P51(68"),Spitfire (71"), and the Cousar (75") for $650.00. Was this a good deal or not? Also are there any mods that I should do to these planes before flying? I would like to put in retracts also but which brand?[&o]