Mass Effect 3 Cheats
We most likely won't know until January when they release the single player/multiplayer demo.
Only thing I did read that if you played ME 2 on max you should be able to run Me 3 pretty high as well, since its still uses the same Engine, just slightly modified.
I'm guessing we'll know when they release the ME3 demo. Which will be available 'soon', as Bioware says.
• Unlimited Health
• Squad Health
+ 18 more options