I have a friend who has the gp 40 size cap 232 arf and he is running a ys120 with a 17-4w apc in it. He says for imac and pattern it is great but for 3d it sucks. I got to watch him fly it. Most of the flying was done at 1/3 to 1/2 throttle but he opend it up a lot too.

Personally I hate caps. I really like extras, specifically the 260. The gp 300s 60 size is ok but not great (I have one.) Somebody needs to put some 3d versions of the 300 and 260 in a 60 and 90 size on the market in kit form. Aeroworks has some very nice ones but they are arfs and they should make them available in arcs too!