Many people use a tablet dashboard for this purpose. You can get an inexpensive android tablet for around $50, or even a wifi iPhone for under 20. Combined with the popular community created SmartTiles app, you have a highly customizable modern zone controller.
The following topic is specifically for discussion of various mounting options for this lots of pictures, some very creative ideas:
That still leaves the issue of controlling the light which is controlled by the original dumb switch. You have some options there. You could use a micro relay inside the switchbox keeping the original dumb switch, or replace that individual switch with a smart switch.
So it’s not completely ideal as a substitute for the a SC7 since you end up adding the zone controller to the area rather than replacing the existing switch, but might be worth considering.