About 8 months ago, I got the RV-4 from Vmar , and it flew terrible, it had bad warping in almost every surface, particularly in the elevator, "kinda important". I put an OS 61 FX in it thinking it would be great. It is too heavy of an airplane, but is tough and pretty to look at. ON the other hand my buddy just flew the tomahawk, and its a great airplane. Im sure they have some good and bad airplanes.