I own 6 brands of Highend FC's. SuperX, A2, WKM, ZeroUAV Gemini (redundant), Naza V2, Hoverfly Pro and flown others.
AS of now I have had no issues with any FC that has not been found to be hardware related or stupidity.
I had an HC-800 Hex that I thought My superX flipped out on and I got mad...