i like the basic idea of different fret spaces to make scales and stuff, that´d be interesting on an 8 string acoustic (4 sets of doubled strings, the two lower ones in octaves, the two higher ones in unison), tuned to some open tuning, like CGCG, and then with frets that make up scales... maybe even movable frets, like on a sitar, but with click-slots, so you could change between major and minor scales (and maybe even color-code the slot, red for major, blue for minor), and then you could mix up combos of major and minor slot positions with the frets, to make up scales...
anyone wanna do this?
