Avionics LAME easier to find.
Or one that doesn't put self tappers though wiring looms, lose radio logs, leave screwdrivers in the tail, ......
What a sweet dream.
For NVFR you don't need ADSB at all. If the old Narco is sick, put a KT 76 in. It's interchangeable with the KT74 and the KT 76a ( or even 76c) are readily available secondhand.