Hi
I tried the HDR Merge Pro automatism. Used the ScottS template and reduced the detail and hit OK and what I got to see then was completely different fom the preview before.
My Photoshop is up-to-date and I tried another template and the result was different from the preview again.
OS: Win7 64bit HP
VGA: Radeon HD 4770
Software: Photoshop CS6 extended 64bit (from Production Premium)
Photo camera: Canon IXUS HS 125 - 8 megapixel photos
Screenshots: