I though i had mentioned this before but from the look of it I havent. Anyway there is this excellent free tool from http://mm-exporter.joexx.de/ which anyone who uses the Macromedia MX Studio should have in their box of tricks. It allows you to backup, save and restore all important settings and data from Macromedia Dreamweaver, Contribute, Fireworks and Flash.
MM-Exporter recognizes installed versions of Dreamweaver 3, 4, UD4, MX and MX 2004 under Windows and saves selectively:

• all program settings
• all Site-Definitions separately at one time
• the "Configuration" folder
• backup an arbitrary, user defined folder
• Serial numbers of almost every MM
• program into a text file
• and/or alternatively all configuration data and entire settings from Win Registry