Skyrim, which guardian stone to choose?

I wan't to play as a battle mage. I am at the first three guardian stones in the beginning of the game. Thief, Mage, and Warrior. which one is best for a battle mage?

Mage stone. Feel like the magic parts takes way to long. Also the stones only impact the speed of leveling, so it not really necassary to make forum post about it

Why is it not necessary to make a forum post about it? If it is truly not necessary then what is the point of having any forums at all?

You can change signs at any time, so if you don't like one, choose another.

Beware, magic in Skyrim isn't balanced, especially on higher levels. The spells become pathetic and don't scale with enemies. (unlike your weapons, which can be upgraded)

I had this problem with my battlemage; my magic was useless on higher levels. Check out this mod, if you really want to play a battlemage. Trust me, it will save you from a lot of trouble later on.

EDIT: Sorry, totaly forgot about your question. Take a look at this.