RE: Have evolution .46 for Morris profile
If you want an ARF, I'm back to the Extreme Flight Edge 540T. My preference would be the Saito 72 and the 14x4W APC prop.
I fly two 2 strokes and two 4 strokes. Until last season, I had never flown a 4 stroke at all. Now I wish had all 4 strokes.
The only negatives for 4 strokes, that I've come up with, are the annual valve checks (15 to 30 minutes a season), they like 20%+ nitro ($$$) and the fear that a bad crash will destroy the innerworkings of the valves themselves.
Positives are greater torque, they are less "needle finiky", and they are much quieter. The Saito 72 is as light, or lighter, than most 46 to 53 two strokes.