I've put in a fair amount of time the last couple of days working with the SimulationCraft devs to get the Mage profiles functional. Not good and optimized, just functional. There's work to be done on all three profiles to improve both the gear configuration and the action priority list.
If you'd like to help, there are a couple of ways you can. First, if you're comfortable compiling SimulationCraft, you can get instructions to do so, and play with the profiles yourself. The command I've been using to make a basic run is:
engine/simc profiles/mop_test/mage_463.simc html=mage_mop.html iterations=10000 max_time=450 report_details=1
If you need help getting it running on a Mac, I can help (you'll need the Mac developer tools installed). If you need help on Windows, there's information at the SimulationCraft site on how to get assistance.
If all that doesn't sound like your thing, you can take a look at the profiles below and add your comments. The Arcane profile in particular is in a bad way; it's simming about 35% lower than Fire and Frost. We know that Blizzard thinks they're very close together, so there's some combination of bad action lists, bad gear, and/or outright bugs in the simulation conspiring to screw up the results.
You can view the profiles here: