Adobe labs has released Configurator 2.0. If you missed Configurator 1.0, it's a nice tool for making panels in Photoshop CS4. Yje newest version adds support for Photoshop CS5 and InDesign CS5.

http://blogs.adobe.com/labs/archives/2010/05/adobe_configura.html

John Nack also has a good intro. So, rather than steal his thunder . . .

http://blogs.adobe.com/jnack/2010/05/configurator_20_is_here.html