I have been using FI with LeapMotion on my Oculus Rift for P3Dv4 and have been quite happy.
I again discovered the reason why when I tried using my Rift in ‚native‘ VR mode in P3D. There was no cursor, I could not use any switches etc.! As much as I would love to be able to use a (any) VR HMD in native mode ( i. e. unenhanced by additional hard or software); as long as that is apparently impossible, I need/want FI and LeapMotion!
Please hurry!
Volker