How is the Chelton working for you Pete ?
I thought about it in the early days but then decided that as a pair of Cheltons were almost equal to the hull value of my aircraft
that I would look for something more cost effective like Aspen.
Of course Avidyne kept their new retrofit PFD so secret to the last moment even though I enquired directly when I bought the EX500, that it was impossible to change horses at the last moment.