Doug Landreth shows you how to convert a 32 bit HDR layer into a Smart Object and tone map the image in Camera Raw as a Smart Filter.
In this video Doug also uses the amazing RadLab Photoshop plug-in. If you haven't seen this cool tool yet you should check it out. In a nutshell: RadLab provides a really simple interface for combining and previewing multiple effects in Photoshop. Doug uses it all the time.