I've received my Odroid-XU.
It's quite a neat board.
It's got built in thermal throttling, so if it hits 95c, it throttles back the clocks.
I'm thinking, get a second Pandora case. Strip off the external interfaces and the fan on the XU .
Some spare nubs.
Make a 4 layer PCB with the keyboard matrix, STMPE610, battery charger circuitry and physical interfaces - and ribbon cable in to it from the XU
Put in a 3D printed shim between the bottom halves of the case to make the pandora case thicker.
Put in a horizontal fan which is only powered on if the P1.75 is plugged in to the mains.
Get an AMS465GS01-1 and an ATP047A070A.
And end up with a nice 720p nippy little blighter, that's only a little thicker than a P1, but doesn't need Samsung's cooperation...