I've not yet sorted out Smart Sharpening, but it looks to be a nice option when regular USM and it's various techniques may not do the trick.
Shel > [Original Message] > From: Godfrey DiGiorgi > Even ignoring the advantages in using Bridge/Camera Raw 3.3 over the > CS' File Browser and Camera Raw 2.4, the Smart Sharpening filter in > Photoshop CS2 is worth the upgrade price all by itself.

