Leaving it open for a tablet is what I want to do too. It is cheaper to add a tablet than a second display. I am not going to do any IFR or night flying (deal I made with my wife) so I don't need backups to backups. I can just look out the window!
I am working in Michigan and thought about going over the GRT to look at their stuff. If I go Skyview, I know what website I can go to to find out how to hook it up!