If you're running Savvy Content Manager, and you'd like to move to ColdFusion 8, I have some good news. Savvy Content Manager is fully compatible with ColdFusion 8, according to Savvy, once you download their compatibility patch. To get the patch, just contact Savvy.
You'll find more information and documentation at http://www.besavvy.com/blog/index.cfm/2007/8/2/Savvy-Content-Manager-ColdFusion-8-Compatible.