I ran across this web site that allows sim pilots to "SWAP" to apparently a better Garmin 1000 GPS Panel with more functions
I have NOT tried any of these so I assume they work
I'm just passing this along what I found, looks very worthy I may give it a try !
Garmin GPS 1000 Panel Swap : http://www.scumari.nl/www/fs/index.htm
Read the site for more Information and New Features !!