The Instruction Pointer board is complete and has been shipped off to Ireland for fabrication. Here's the final layout:
I had a brief scare over the weekend when I checked stock of the FDV301N MOSFET: Mouser was out of stock, and the manufacturer's lead time was 7 weeks! Digi-Key had them in stock, but at a higher price. Fortunately Mouser had them on order already, and a stock check today shows over a quarter million parts available. Whew!