I'm working on a blog entry that I'll probably post sometime next week regarding achieving high dynamic range without having to do HDR. Most of the HDR images I've seen at various websites really suffer from some major issues like softness, color distortion, haloing, and that typical muddy HDR look. I've seen images created from up to 9 exposures. Why? I don't know when most of these images can be nailed with just one exposure.... perhaps 2 if the contrast is really vast. Getting the exposure right
in camera is the most important thing in addition to the right RAW adjustments and fine tweaking in post processing can really do a lot to extend the dynamic range and produce a very natural looking scene. If it does take more than one exposure,
Manual Exposure Blending is the superior method to use......if realism is the goal.
Flow

Made with a Canon 1Ds Mark III 17-40mm L (ISO50, f/22, 3.2 seconds) One exposure!