This Wudtone stuff is pretty darn good on acoustics...
Here are two examples of a Madagascar Rosewood and then a Honduran Rosewood pair of Dreadnaughts.
Firstly the Madagascar...(Bear Claw Sitka Spruce Top).
http://www.pitbullguitars.com/wp-con...tar-Pics-5.jpg
http://www.pitbullguitars.com/wp-con...tar-Pics-6.jpg