Mio A701 Pocket PC / smartphone running WM5.
I use it as a phone, car satnav(TomTom v6), and backup GPS in the plane using Memory Map (I find the 1/2 mil scale easier to read than the 1/2 mil).
Works fine.
You can see it here under my Garmin 296.
Rans,
www.FlightForLife.co.uk