Microsoft also suggested a list of “top questions that enterprises should ask when considering the switch to [Google Apps Premier Edition]...And now you've had your irony supplement for the day. :-)
2. Google has a history of releasing incomplete products, calling them beta software, and issuing updates on a “known only to Google” schedule – this flies in the face of what enterprises want and need in their technology partners – what is Google doing that indicates they are in lock step with customer needs?
3. Google touts the low cost of their apps –not only price but the absence of need for hardware, storage or maintenance for Google Apps. BUT if GAPE is indeed a complement to MSFT Office, the costs actually become greater for a company as they now have two IT systems to run and manage and maintain. Doesn’t this result in increased complexity and increased costs?
The marketplace already understands "Software as a Service," where the provider maintains all infrastructure and rents you the applications, even if Microsoft pretends not to.
These are early days yet, but this model is going to succeed in a big way.