Altered Time - your #1 World of Warcraft Mage resource!

15% haste before array is what you want for BM, the people parsing high with high crit are just itemized for their other specs and playing BM. I can still get 4 stacks with about 13.3% haste if I crit on opener or start my combust with a heating up.

When you have brainfreeze it's (frostbolt, glacial spike)>flurry>icelance. It's also suggested to take Ebonbolt and just keep it for a pocket brainfreeze for GS. Also save brainfreeze at 3+ icicles. Make sure your comet storm will be able to hit the target so don't use it when the boss will be movin...

Arcane requires a little more planning so going into encounters without like playing on beta or whatever, you don't really have those windows down where you can maximize your dps. It's especially important because the fights that you would probably prefer Arcane on do still have some movement mechan...

Let's worry about understanding how to sim your char and what is exactly good for frost besides the highest ilvl piece you can equip before you worry about parsing at all. Also you clearly do not understand the rotation/class as well as you thought.