Since we seem to have settled on this, make sure everyone has it installed by Sunday. No idea what the Prime version is all about. I skimmed the description and it seems to give you a ton of stuff, including dozens of new units, but the devs insist it's not "pay2win"... It's also funny how the spelling of the title is different for the two versions. Goes to show how careless the devs are that they can't even spot such a blatant mistake after all those months, or even worse, that they don't care about it. Still, I really like the look of the screenshots, so I am hoping for something at least decent.
AirMech: http://store.steampowered.com/app/206500/
Airmech Prime: http://store.steampowered.com/app/216174/