I've built both the GP Easy Sport and the Sig 4*40. I prefer the 4*40 by far. It's lighter, handles nicer (don't overdo the recommended throws) and will give you a lot of excitement after a trainer.

The Easy Sport, to my mind, was much heavier even though it was built to specs. It needed a lot of speed and tip stalled at low speeds due to its weight.

There are also 4*60's at my field and the guys that have those also have a lot of fun.

My vote goes to either of the 4*'s.

Bob