I like this, the posture/stance is sort of what I expect (after watching Jurassic Park) and I like how you get the vestigial arms seemingly from nowhere. I like how the shadow makes it more menacing as well, accidental photos using obscure light sources can result in nice happenstances sometimes.
Nice model, interesting manipulation of the bird-base, first time I tried it – you can try it too at http://www.fishgoth.com/origami/diagrams/velociraptor.pdf