Ron Natalie wrote:
I came to the same realization you did.
I've got an MX20, GNS480, GDL69A, SL30, GTX33, and STEC 55X and a
traditional steam guage King HSI in my Navion. I could have gone
with an Sandel HSI, but didn't see why I needed another display.

And it will all be on display in one week in the Vintage section at
AirVenture!