Yep the hands are oversized. The great hands in the concept are more artistic for picture deepness. The hands are from the camera position to the nearest bodypart.
Primary forms are looking pretty solid. I think you are too clean in alot of areas, like pauldron silhouette, boots, and belt, but besides that he's coming along. Once you apply that cloth treatment from the face to the hands, thighs, mid-drift and back piece you will be well on your way.