Just bumping this thread with an update. I've got a cover (mostly sorta) ready, which you can see below:
I've posted a (very rough) draft here in PDF format:
http://www.hardcoregaming101.net/boo...0-%2012-26.pdf
And you can find an updated table of contents here:
http://www.hardcoregaming101.net/book.html
Shooting for April sometime, I hope!