I really don't like the idea of a two-headed Gryphon. I mean, multi-headed animals just aren't really that practical to begin with. I don't like the idea that every Chaos Dragon spontaneously grows another head. The only reason I don't mind the Hydra is because it's an established piece of mythology. Tell me, where the hell do twin-headed Gryphons come from?
On the other hand the rest of it just seems like how I felt with the new Vamp book. There was enough interesting stuff which made the army work in the old book. Now a crap-load of new stuff goes in, which changes current fluff and displaces old favourites because the big shiny new thing is slightly better at whatever the old unit did.
I don't know. I mean technically speaking a lot of it seems nice but none of it's got me excited.