I echo Ben?s sentiments about respecting the designed gross weight in an RV4. Even at the aerobatic gross weight of 1375#, you need to be careful during certain maneuvers. If you end up with a tail slide during a hammerhead, you could encounter extreme structural limit exceedances that the airplane wasn?t designed for. Exceeding the 1500# utility limit could also end up causing problems, at least eventually. The RV4 is a wonderful airplane. And if you respect it?s limits, there isn?t any RV that can compare with the light perfectly harmonized handling qualities of that airplane. Keep it light, keep it simple, and you will not find a more efficient, affordable, fun airplane anywhere. If you?re looking for a cross country speedster with a good payload, and able to shoot a coupled approach to minimums, this probably isn?t it. If you don?t weigh much (like the OP), and your passenger is equally slim, you could probably be OK if you didn?t have lots of luggage, but watch your CG with that aft baggage compartment.