"suhr hss" wiring might be worth looking at. you'll need a super switch though. it will give you.
1 - neck only - 250k volume, 250k tone, .047 cap
2 - neck + middle - 250k volume, 250k tone, .047 cap
3 - middle only - 250k volume, 250k tone, .047 cap
4 - middle + bridge inner coil - 250k volume, 250k tone, .047 cap
5 - bridge humbucker - 500k volume, 500k tone, .022 cap