The good news is that they're back down to $80 and in-stock... not available for shipping, but available in some stores, and for ship-to-store.
damage -
I noticed on your latest example xml for the Panel Builder you have a few status indicators. How do these get updated? The app doesn't refresh the screen unless you use a menu and navigate to a new screen, right? Also, how does the osd get displayed? Does the app query the osd action periodically?