Another Perspective on the ROI of SaaS...

There is a whitepaper available from ComputerWorld published by Forrester that talks about the ROI of SaaS.  The whitepaper is specifically focused on CRM applications, however, the principles are the same and the analysis is sound.  Registration is required for the download...but if you are interested in learning more about how to calculate a good ROI for a SaaS investment, this is a great place to start.