To my knowledge, Cris also tunes A1...G4 (which I do to on 26.5" scale
To the OP: I suggest reading The A4 and beyond thread
, which has a lot of info on tuning to A4, collected by various people in here.
van Sinn... plays progressive jazz/rock/metal fusion and Hindu-ambiance
says, stop second guessing the past, keep pushing, or risk getting left behind