I hear ya! It takes a lot of trial and error, I'm sure. I still don't even know how some of these controllers work. Which are you using?
I'm on rcgroups.com right now shopping for a quad for FPV/video :)
'06 KTM 950 Adventure S
'12 Ram 2500, Cummins, 6-speed auto, Laramie Longhorn, RamBox
Must be part of your super-secret double-naught spy work with your low-level FEMA clearance and (snicker) Texas Security License, yes?