Originally Posted by: Andrew Sa... I dunno if this will loose that cool, hollobody sound...

Yeah, that's definitely going to deaden it. :p

My 1965 Yamaha SA-30 has plastic baffles covering the f-holes in an attempt to combat feedback, but it will still feed-back if I wander too close to the speakers. Not all bad, really - you have no idea how mind-blowing an overdriving 12-string can sound. :D