I'm pretty sure this will be unknown until some people manages to stack in +mag. craft gears ann +craft gears in seperate setups so some viable data could be gathered from mass crafting then.
Heck, I'm pretty sure a lot of the new, more vague stats will still be unconfirmed when the PS3 version hits shelves.
As long as Guu is having fun, everything is Ok.
FFXI : Goudaba @Valefor
FFXIV : Goudaba Wynarv @Kashuan