Another developer with a Rift here waiting to take VorpX for a spin :) Mine arrived last Monday too (UK). I know you were having problems with tracking for Racing games like Dirt3, you mentioned you’ve solved them but I just though you might like to know I’ve added Oculus Tracker support to FaceTracNoIR, which can output freetrack2.0 (among other things), and talk to the TrackIR protocol in Dirt2,3 etc as well as many others. This means that even for titles that you haven’t got working head tracking, we can probably still get head tracking via this route, and this route goes through the games intended head tracking codepath, which might help deal with some rendering bugs (like head roll artifacts, which don’t happen using this).

Expect it in the next release (1.8) but contact me directly if you’d like a pre-release build to play with.