its lighter and runs on 1/2 the # of AAs. naturally more glitz and glam, functions etc.

sounds dumb, but make sure the radio u buy fits ur hand comfortably w/o any soreness after a full run. i found the dx line hurt badly before i switched over to AIR. granted the R is quite different. the 3.0 is hard to beat @ around 250bux and setup 2 cars. dont cinch and go w/the 2.0 waste of bread.

R