JS wrote:
Incidentally, RAM supposedly now offers a good looking mount for
tablets.

Coincidentally, I just posted pictures of my new Dell Streak mount to
the xcsoar-user mailing list:

http://max.kellermann.name/gallery/f.../streak-mount/

This is Dell's original Car Kit, with the vacuum cup replaced by a
metal disc, screwed behind my instrument panel. The USB socket below
it provides 5V from the main battery.

Max