If you set up in the timber, I would set up in range of the field edge. I hunt a lot of fields, if I expect to see a gobbler in the field, I set up in good cover maybe 10ft from the edge. The road should be a good place to set up, I'd set up in good cover, 10ft or so off the road. If you hear a gobbler behind you in the woods, turn around on your tree and face the bird before he gets close. If hes too close to move, just sit tight, he should come to the road to strut.