Hi Driftair...After viewing Tahustvedt's video it appears that only XTR can do the Monkey flip physics correctly[sm=thumbup.gif]. No one else will post a video with another simulator[X(]. One of the 2 simulators I own is excellent for loops,rolls,harriers,elevators,hovers,knife edge,aileron torque rolling and high alpha maneuvers. It does require aileron help for engine torque rolls? Neither of my simulators appear to match the correct tail slide physics of the Reflex simulator[]. I hesitate in purchasing XTR because I have no idea how much the planes can be modified or if they will truly simulate a torque roll with engine torque. I know of no simulator that can flat spin using real inputs(cheater spins with non-realistic stick inputs work fine)however they look good. Some things one can do on a simulator will not work on a real model(a counter clockwise knife edge loop without throttling back on the down line will allow your plane to fit in a shoe box but works without a scratch on a simulator)[sm=stupid.gif]. Simulators have come a long way but still need some bugs in their physics addressed. If I find an XTR to try out, I may become an XTR convert. Correct Physics Rules in real flying!