I love the bump of a P but love the neck of a J. You all recommended I consider switching out the neck on my MIA P for a J. A few questions re: this brilliant idea: WIll this affect the tone of the P? Where can I get a real Fender neck or am I doomed to a slightly different one? Won't there be a little gap near the body, since the J neck is thinner or does it widen that much at the base? Cheers!!