I agree with you guys. I recently "boned" by '04 710 (just the saddle) and I think it sounds better. Tough to put my finger on just why or how, but definitely better. When I eventually have to get the frets worked I'll get a bone nut put on too.
The other thing I did was put a "Platemate" in it. This is a little brass plate that goes inside the guitar where the strings go through to protect the bridge plate from long-term wear from the ball-end of the strings. Got it from Little Mountain Music (no financial affiliation etc etc). I think this added to the improved sound, of course YMMV (always wanted to put that in a post!!)