I've tried both but tend to prefer wood. IMO scratches on wood look like seasoning, but scratches make synthetics look cheap -- like beat up kids toys.
I just bought a M70 featherweight in .325 WSM, and one big reason I went with the wood was for the extra half pound of weight vs synthetic. I just didn't like the thought of being on the receiving end of 3800 foot-lbs of energy with a 6-3/4 pound gun vs a 7-1/4 pound model.

