I'm probably going to upset you all. As games, I'd play AoS over WFB any day, and I've been doing this since 3rd ed. When it came to favourite fiction setting though, I picked The Old World over the Mortal Realms. Though the rumoured stuff Black Library are coming up, and Cubicle 7 with the RPG for AoS looks like next year will start to really establish itself as a setting, but I would happily read any new fiction set in the World That Was