I just grabbed the Mortasheen book (in pdf). I'd been waiting forever for it to be released, although I've been wanting it as a setting guide/monster book for reading rather than as a game.
As a setting guide, it's great. Fun concept, fun monsters, fun world. As a game, it seems simple enough but not too innovative, although maybe that's just me. As a pdf, it's disappointing (minimal ToC, no index, no bookmarks, non-searchable text).