We heard late last month that the John Carmack-backed Oculus Rift VR headset would be hitting Kickstarter any day now, and it looks like today is the big day. The project has just launched on the crowd-funding site with a goal of $250,000. To reach that, the team (led by company founder Palmer Lucky) is offering a variety pledge options, starting with posters and t-shirts for $15 and $25, and of course the headset itself that is initially only being offered as a developer kit. It will set you back $300, which also includes a copy of Doom 3 BFG, and is