I have flown RC helicopters for a number of years and am fairly comfortable with more advanced flight (inverted, piro flips, etc.) using 450 and 500 class helicopters. I am assuming that transitioning to the quad will be a walk in the park. Anyone else going from RC Heli to quad who can weigh in? Should I purchase a small toy quad or will it be unnecessary? Any recs on the best toy quad? Thanks.