It's really interesting...take a look at the Predator (UAV from Aeronautical Systems) and you'll see that the tail assy is inverted: the rudder and the horiz. stabilizers are mounted in the lower part of the fuselage! and the horiz. stab. is not straight - what's the advantage / trade-off? - I mean, the landing gear must be longer and heavier... In fact, only a few of these UAV's have conventional tail assemblies! The full-size Bonanza had originally a "V-Tail", but it has been replaced by a conventional one in later models... Now, why are these UAV's (some, the same size as our RC creatures) going the other way?
Oh, one last comment: why is it that high performance aircraft like the F-16 and even commercial aircraft, like the B777, have angled horiz. stabs?