If you like to play with HDR and own a Mac there is some new software out called Bracketeer. I have a had a quick play with the demo, I'm impressed because it is very simple to use and gives very good results but you can't save it.
here is the link
Pangea Software Panoramic Photography : Bracketeer front-end GUI for Enfuse
I am not connected in any way with these people so hope my post is not regarded as spam!
Tom