We have done some preliminary investigation into SQL Azure, mainly because we have opportunities to develop applications on AppFabric. It certainly pays to have your SQL server and application both in Azure due to data costs, but it has been tricky for us to work out what potential costs applications will have, I think this will be something that people struggle to estimate for a while.

Steve, I think you may be right about "Select *", but I think there will be some large bills and some angry CFO's before everyone gets the message 🙂