Microsoft Windows Azure Cloud Platform

Microsoft joins the cloud party with an offering to compete with that of Amazon.com's EC2, Google's App Engine and others. The broad initiative enables developers to use the skills they possess with Visual Studio to create applications for Windows Azure. The strategy also taps Microsoft's increasing data center capacity.

http://www.eweek.com/c/a/Cloud-Computing/Microsoft-Unveils-Cloud-Platform-Windows-Azure/?kc=EWKNLINF10292008STR1

You can try it now.

http://www.microsoft.com/azure/default.mspx