Shadow:
I also would not touch GSP. But I do own 3 Wild Hare G-202's. This is one great flying airplane. My first one has a ZDZ-80 and the weight is just over 24# with a dual servo setup in each wing also heavy batteries and other little stuff. the second one we saved over a pound in weight.
Call Tom at Wild Hare and ask him if he has any white only
left or when they are coming in. He may have some insight on the engine combo you have too. Also look at his new EDGE 540 built and designed for the g-62 for $399. I would like one myself.[link=http://www.wildharerc.com/]Wild Hare R/C[/link]
Kevin