Thanks everyone for the replies, I see I am not alone. This is not too encouraging. Mine also has the xtreme 180 motors that I installed right when I got the heli so I do not know if it had the problem before I changed the motors. I no longer have the stock motors or I would try switching back. The servos is an interesting Idea. I do notice one of mine jittering at times but I thought that was more likely an effect rather than a cause. Servos might be worth trying.

I am about to buy another cx2 and start interchanging parts to figure this out. Or just get rid of the whole thing. I have not decided. I have spent a fair amount on all the usual upgrades so I really hate to give up now. It is a shame because my cx2 flies so nice for 5-10 packs and then when I am least expecting it SPLAT !