Quick flight out of KRHV to test a new Airball display gadget. There were low clouds, some rain, and bumpy conditions, but we stayed pretty clear of the muck and were able to have a safe local flight. Melissa got airsick -- the first time for her!! 1 landing at KRHV. I tried to land with no flaps and higher speed due to a strong xwind, and ended up floating most of the length of the runway! One problem is that Airball reads correct IAS, whereas the original IAS in the airplane reads up to 10 knots "high", so now, when using Airball, I go too fast!