This thread needs to be moved to its rightful place in the afterlife.
Also: if the target is willing, the touch spell is delivered automatically, without a to-hit roll. I.e., a magus can deliver touch spells to friendly targets as a part of spell combat. That spell can be delivered via the magus' weapon.
Normally I would only do this with a whip, to deliver a critical buff or heal, but if my opponent is willing ...