He's got videos over at element14 as well, and Jeri Ellsworth is part of Element14's site now too.
I wanted Ben Heck's book but it's out of print and people selling used copies seem to think it's some collectible worth its weight in gold. Too bad, I wanted to read about how he makes the cases. I was told to search for PDF files out there, even if that's not legit.
I do think that FPGA things could give a better laptop than an actual Amiga motherboard, considering size and power issues. As soon as Yaqube has the updated 680x0 softcore and AGA added to Minimig, I'll be very excited and hoping for something like what you ask about. Also interested if Natami gets this kind fo treatment at some point.