I think the space between here legs here as opposed to Frank's original is due to her pelvis/hips which seem to be turned more to the character's left in the original.
Very good here. I agree about the space between the legs here. Love overall look of her though. Might change some of the eye glow as well here. But still this is very nice.
Great, great job. I love that you took the risk at doing a Frank Cho piece. The only thing that I would change is make less of a space between her legs. But over all, very sexy.