While I wait for the arrival of V0, I've been refining the PCB as there were a few things about the component positioning that didn't *sit right* with me. Here is V1.1 for your viewing pleasure:

I'm not too pleased with the placement of the MCU. It's looking a bit cramped over there, but I couldn't seem to move it down without traces interfering with the hole. 

Next time you hear from me, hopefully I'll have PCB V0 to show off.