The shipping was $67, USD $367 total but after conversion it cost me $358. The dev kit actually comes with quite a bit of gear packed into a nice little case.
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I agree that simulations are where this will be able to shine immediately but other games will take some reworking. Another issue in FPS games is the speed that the characters move around, TF2 will very shortly have Oculus support but some characters travel at something like 40mph. I think RTS could work ok giving a feeling of floating above world like a god, you could also easily look over at other parts of the map.
In iRacing most stuff can be done with the mouse so I think that will be not too bad, the main thing I see being an issue is the blasted auto selection of tyres and full fuel I have to un-check every time I grid (pet peeve of mine). Is there a way to do this with mouse now as well? Otherwise will just have to feel around the keyboard.
I'm expecting the peripheral vision and the sense of speed to be the big plusses in iRacing, and overall immersion of course. I got the CSP V2 pedals a few weeks ago and it showed me how braking is so much about muscle memory as opposed to having a feel for exactly how fast you're moving.