Some key quotes below, looks like a step in the right direction. I'll have to watch this, as anything build into the platorm to make Cloud Computing easier is a win-win.
"Server 9.04 lets developers build applications for the Amazon Elastic Compute Cloud (EC2) and use Ubuntu as the operating system and delivery platform,"
"You can take Ubuntu Server, install it on number of servers in your data center and then set up these servers to form a cloud. It's basically a cluster of systems with a cloud controller on top,"