Hey, this blog post by  all around head geek, Scott Guthrie announces a new application deployment system in the works for IIS 7.

...We will also shortly begin sharing details of a new web application deployment framework for IIS that enables you to easily automate the deployment of web applications on either a single server or across a web farm of machines. ...

See the bottom of the post for as many details as are avail. I'll keep you posted as details emerge.

.NET Web Product Roadmap (ASP.NET, Silverlight, IIS7) - ScottGu's Blog