Well, I have been flying mine for two weeks now. Love it. It flys great. It just needs ever so slight amount of down elevator when inverted. Knife edge is great. It also gets pretty wild. I am running a saito 100 15x6 apc, 30% magnum fuel and she pulls straight up. I had added 6 oz up front, but i am now at 3oz and this is bal. around 7.25-7.4 inches back. It flys great like this.

One of the best airplanes I have flown. I like this better then my Funtana 90.