Speaking of string tension, as an experiment I just put a custom set onto my Strat (9, 12, 17, 32, 44, 54), and the tension is very even between the strings. I think next time I'd go with a thicker 2nd and 3rd and thinner 4th, 5th and 6th. Maybe 9, 13, 19, 30, 42, 52.