Full Screen for your GPS map!
I don't know if anyone used this app in this forum but I was doing a search for Routis Full Screen on google and found this GREAT tool.
This is a pic of Iguidance in full screen mode. You can do it for ANY program =)
Free trial download on the link above. Best of all. you can just move your mouse up to the border and see the other buttons its "hiding". There seems to be almost no loss in resolution also from what I can tell.