Well maybe I’m lucky but I use Eucon all day every day and I literally never have any connection/stability issues. I did have issues some years ago with a wifi card but I managed to solve that.
As for “Eucon control is a joke in the Cubase world” -I’m surprised you would say that. Steinberg actually created Eucon in partnership with Euphonix, whereas MCU was originally developed for Logic. You can assign virtually any Cubase function to buttons/touchscreen. You can remap plugin parameters (which you can’t actually do with Avid’s own Pro Tools). You can create macros. Instantiate plugins and change routing easily (which was virtually impossible last time I used MCU). You can access all the ‘Control Room’ features, including volume. Apart from hiding tracks which I talked about above, I can’t think of many things you can’t do with Eucon.
Everyone’s experience and tastes are different though, I guess.
I have used an Icon on Pro Tools, but not Cubase. Awesome controller for sure. Yes, the build quality is great. Still… Having to use MCU let’s it down for me personally (and the lack of colour coded channels which I do find very valuable when navigating a large session).