The arms are a little odd, but it's just that the muscles are misplaced. The hair looks fine in my book, it has shape and texture, which is nice.
Yeeeah those muscles were the big elephant in the room for me (and the butterface, tho since that's mainly about reconciling artstyles, that's something much more malleable).
Took some time today to do some studies. Do you think this would be a worthwhile improvement on the muscle front? https://dl.dropbox.com/u/22370734/Sardonyx-musclereview.jpg
I'd like to update the pic with better anatomy, but not if the improvement is "meh, still pretty ass" at best.
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