Also, on the subject of not using HDR on people, that I think is the common rule. But it can be done -- and I'd say there's at least one very good reason to break it. I use HDR on people to eliminate moving people and retain only the one that is standing (or sitting) still.
Besides, I think when you mentioned the "monster" look on people, you're referring to Photomatix's "grunge" preset, which is not really a result of the HDR process but more Photomatix's suggested way of crafting HDR images which I'd say is truly eye-popping on landscapes and architecture but not on people .