This week I've been working on the screen layouts. A fair bit of mucking around with CSS and resource file formats was required to get it all working but here is what it looks like now:

Working from the hand drawn ideas I had last week I'm mocking all the dialogs up in the graphical editor:

Also in the mean time I'm working out if I can hide the boot time of the Raspberry Pi behind a custom splash screen. A static image is easily doable but something with a progress spinner might be a bit tricky.