I took the neck plate off my old 50s Strat and replaced it with washers. Fattened up the tone, a little less attack. I also yanked all the vibrato hardware out of the back and blocked the trem. I don't use it, so out it goes. Just an experiment but it did fatten it up. Completely reversible, no harm done.
Came across a webpage where a guy was talking about changing out the "thin" neck plate on his MIM Tele for a thicker US neck plate. Got me to wondering... could this really make any difference?