Guild Ball Cards is an Easy way to access all the cards if you don’t have the iOS app or just want to use your desktop: http://cards.playguildball.com/
Guild Ball Forum Member malladin.ben reformatted the Guild Ball rulebook to A5 size and took the fluff out to make it easy to print as a quick reference.(This link connects directly to a Dropbox Download)
We’ve also made a set of sheets that can be printed at the end of the Pocket Rulebook with all of the character cards on A5 sheets with erratas and everything up to date:
Lead, Dice and Beers, he talks about wargaming (specifically Guild Ball) and beer. Pretty good eh?
Smashed Shins Podcast throwing down some great knowledge.
Momentous Play is a Podcast featuring Jay Larsen of Chain Attack fame talking Guild Ball in a unique 30 minute timed format:
Have any more resources that you enjoy not listed here? Let us know!