Wow, this is absolutely amazing. I'm just starting out and this is actually pretty inspirational, especially as I have a few Pi's already. I hear stories about

Wow, this is absolutely amazing. I'm just starting out and this is actually pretty inspirational, especially as I have a few Pi's already. I hear stories about the 'good old days' when everyone was hacking on some amazing open hardware and earning their chops knee deep in assembler etc etc. This kind of feels like I might get a little taste of that by following this book. Awesome! PS - Is there a hardcopy or pdf available too?