Have you read or experimented with Azure yet?
Business wise this is a fantastic approach from Microsoft for the way they want to sell Azure platform. Pricing, SLA and commercial version are yet to be made available by Microsoft but it’s worthwhile looking at it in its current form.
For developers… here are some resources:
What is Azure: http://www.microsoft.com/azure/whatisazure.mspx
Demos and samples:
Updated MMC for .Net Services: http://code.msdn.microsoft.com/AzureManagementTools
Windows Azure MMC (yet to be published): http://code.msdn.microsoft.com/windowsazuremmc
Bid Now Sample: http://code.msdn.microsoft.com/BidNowSample
Contoso Cycles (yet to be published): http://code.msdn.microsoft.com/contosocycles
Fluffy Photos: http://phluffyfotos.codeplex.com/