Guys & Gals, This week I tried to fly the P3P indoors (in a large church with permission) for the first time. The main problem was that the bird could not hold a stable position. It was constantly drifting to the right and i had to constantly compensate it by pushing the stick left. I would have thought the VPS should have taken care of this? I am still running FW1.2.6 as I am not sure if I should upgrade to the next FW yet due to commitments I have coming up using the bird. Throughout the flight it was always in P-OPTI therefore I assumed that the VPS will take care of the drift. Now the question is. Has it been confirmed that the latest FW is more stable indoors using VPS?