I was thinking of upgrading the pickups in my G&L tribute ASAT semi-hollow (basically a very good korean ash thinline tele), and was thinking about either a brown sugar set, a the boss set or one of these bridge pickups with a humbucker (mule or stormy mondays). Is it hard to rout the neck cavity for a humbucker? Is it possible to get a proper volume balance with the pickup types the other way around (humbucker neck, sc bridge) (if you'd follow convention, heh.)? And does anyone have opinions on these pickups?