I'd love to know as well...
It's been going on and off my wishlist for a while now. Beautiful, but I wish there were more cards. Some look amazing, while others look a bit "huh?" to me, like they were a bit random in the mix.
I'm also a bit turned off by the critique she's been getting about the guidebook, that apparently some facts are wrong? So I'd love to know if there are better resources about Aradia or if the deck can be used without the Aradia myth in mind even.