If it looks like a duck,walks like a duck-you know ? The guy has never mentioned what he can afford,so there is some assuming going on here,he does NOT want a profile,thats clear. Learning 3-D on a smaller plane might be cheaper but in this case, the difference between a UCD(.60) OMP profile ARFs in the 60" size,Flip, and the X100 is not that much and a little bigger size does help to some degree. We dont know if he uses a simulator,if so, that might mean he's more ready than some, in either case he just wants an opinion,he got yours and he got mine & others too. The only other thing I can think of telling him is dont try anything down real low until you have done it higher up many times over. For a lightly loaded wing like a Do,X100, or most profiles,I would guess 30-50 feet up at first would give you margin for mistakes.