I was having a chat with the guys over at Mural Consulting about some activities they have been doing with Microsoft in enabling ISV's for CRM in the S+S world.
Check out the landing page here: http://crm.dynamics.com/microsoft_ISV_readiness/index.html
You can follow the links through and perform a self assessment as an ISV on your readiness for CRM and S+S http://www.saasreadiness.com/wpc08/
Top line blurb from the site:
The ISV SaaS Readiness Self Assessment tool is designed exclusively for ISVs who are planning, building, testing and/or launching a software + services solution on the Microsoft Dynamics CRM platform. It will help you to continuously measure your SaaS business, technical, hosting, and operational readiness.