Originally Posted by
Colin Southern
I agree, excellent start.
I'm not sure if this would improve it or not (or if you've already done this or not), but with any image (HDR or conventional), as one of the workflow steps I like to simply brush over selected areas with the burn / dodge / sponge tools (with the appropriate options set).
I find that on most occasions I can improve the local contrast in areas of the image - my gut feeling is that it might be possible to squeeze just a touch more contrast out of some of the slightly flat areas in your example here.