Not sure whether anyone is checking this thread anymore.
Just wanted to add my impressions about the Hill Signature model.
I had the opportunity to try two of them yesterday, at Kenny Hill's shop in Ben Lomond: Kenny's own, ergonomic model and the more regular one, with a non-elevated fretboard.
The "powerhouse" characterization is so true.
These guitars are the best I have ever played.
They have an exceptional dynamic range and beautiful tone colors.
I am now seriously contemplating buying a non-elevated fretboard Signature (don't tell my wife