Klaus
First Post
I don't understand this push to have Wizards add their Intelligence to their AC. I am content that the Wizard should be a glass cannon. If Wizards can easily achieve an Armor Classes comparable to that of a melee class, then that makes wearing heavy armour less special; it would represent the Wizard coming too near treading on the Fighter's territory.
Mage Armor is perfectly fine as it presently is.
Making Mage Armor an "Int to AC" ability allows for two things:
1 - It makes Mage Armor scalable. A balanced Wizard with Int 16 will get a +3 bonus to AC. A high-level, optimized Wizard with Int 20 will get a +5 bonus.
2 - It removes a spell or feat tax on Wizards. Other classes can simply spend gp and buy better armor, even without factoring in magic items (which are now purely a DM's province). A Wizard, at the moment, needs to prepare and cast Mage Armor (taking up a spell slot), or spend a feat (we don't know how proficiencies will work, though) and get light armor.