In an article at http://avionicswest.com/archive/shootout.htm#2003 about
Garmin 530 vs CNX-80, many of the pilots said that they would want a
combination of a Garmin 530 AND an MX20. I do not understand. Isn't
the Garmin 530 also an MFD capable of displaying multiple inputs, like
weather and terrain? Can someone tell me why both might be desirable?
Does anyone have experience with an MX20?

-Sami