I like APC for most applications and wood where weight is an issue. I'm currently flying wood on my Contender 60 with an OS 70II Surpass engine and both of my large(er) gasoline models. It's stiffer and lighter than plastic or fiberglass, and I can't see paying for glass fibre (plus they just lk right on some models.

Wood is not very forgiving, though. If you tend to slap & splat in the landings forget it.