Find a cool article about
Developing Windows Azure, Cloud-Based Applications With Windows 8-What you need and how to get there
in Bruno Terkaly´s msdn-blog!
His tips: Use VS2010 + Azure SDK 1.6 (Visual Studio 2011 does not yet support the Azure SDK and tooling) parallel with VS11 Beta and SQL Server 2008 R2 Express with SP1. And Windows 8 of course.