Nice! Yeah I'm thinking of going for the 4 way option too - Baja wiring is it called - this is for my next build that I already have the body and neck for. The Fralin's sound like they're going to sound great

I was also reading about 5 way super switch wiring. P1 is neck+bridge in series (same as your P4 I think?). 2, 3 and 4 are the standard tele options. P5 is the bridge plus a little of neck blended in which is supposed to thicken up the bridge twang...