Can't believe this wasn't posted, I believe the following video was a heavy source of inspiration for that blog post...
http://g4tv.com/videos/44277/DICE-2010-Design-Outside-the-Bo...
Brilliant 30 minute talk by Jesse Schell (funny too), I was looking for it before everyone started posting billions of comments but Chrome's history acted up in a funky way. Oops :)
His book is also excellent: http://www.amazon.co.uk/gp/product/0123694965?ie=UTF8&ta... - I checked it out of the library recently and it really is a bible for game design. It literally covers everything you'd want to know about making high-quality games.