Dk,

An allround unit just doesn't make any sense financially.

Get an Airmap 600c for flying and any good street navigator GPS (I like
the TomToms) for driving. Cheaper than any all-in-one solution.

If you absolutely want it to be one unit (why???), consider the AvMap
Geopilot or the Garmin 296. If you want XM weather, too, the 496 is it.

--
Thomas Borchert (EDDH)