no one here realizes that it is supposed to be dark.. the sun isnt high in the sky. It isn't overdone or over edited, and it feels like im looking at it with my own eyes; Which is exactly what HDR is supposed to do in the first place.... not look unreal like most. This is one of the best ive seen.
Also, it is art... you want it dark, you leave it dark. i like it dark, but you do whatever you want with it. Be open to suggestions, of course, but ultimately it is your decision in the end.
PS, you'd be happy to know that this is now my desktop background.