RE: Best 120 size plane for 3-D/ IMAC?
I am sure you expected this but
1) E.F. Yak 68"
2) H9 Showtime 4D looks promising
3) If you are willing to go up a bit on motor(ys1.4 or os 1.6 or saito 180) than the 25% W.H. EDGE 540 Looks like a very nice plane.