Most are still valid. A few have changed. The FAQ/Errata for September 1is here: http://images.wyrd-games.net/M2E FAQ And Errata 9-1-15.zip The FAQ gets updated every 2 months. As of September 1, the Upgrades that have changed are: Animal Shape, Binge, Decaying Aura, Diestro, Howling Wolf Tattoo, Jug Rocket, My Threatenin Gun, Nexus of Power, On Wings Of Darkness, Tarot Reading, and Woke Up With A Hand. The models that have been changed are: Barbaros, Blessed of December, Cojo, Francisco Ortega, Fuhatsu, Guild Guard, Malifaux Child, Mr. Tannen, and Samael Hopkins. All of this is in the FAQ document linked, too.