I alwais look the wing loading when i buy or build a plane, the fun fly can stay about +- 15 oz/sq.ft., my Epsilon is +- 22oz/sq.ft,
last year a friend give me a present "quadra 35 cc" a very heavy engine, well the first i design is the wing and i take about 28 oz/sq.ft. and then i design the fuselage.
A lot of scale planes have about 30 - 32 oz/sq.ft

you can look the same " YAK " but a diferent builder, so look the wing loadin, one have 22 and the other have 28 oz/sq.ft, well i think, for me 22 oz/sq.ft is better to fly 3D.

Only you have to know what do you whant to fly...........