Wow, is that sticky information ready for an update?
Right now we've got 35 Agi for 2-handers, 70 AP for 2-handers, and in the 2.2 patch, there'll be 20 Agi for one-handers. Up till now, since there was no 20 Agi for 1-handers, 2-handers won out on the enchantment front as well.