If you are planning a 1/2/396 (and maybe 496 - if the rumors around OSH are
true) Garmin GPS in your panel.  Check out the bottom and left tilt
additions for the Gizmodock.  Also a mount for the XM antenna, altho I'm not
sure of the usefulness of it.

http://legacyfg.jconserv.net/viewtopic.php?t=95

Alan