From the Microsoft IIS team:

The Web Deployment Tool simplifies the migration, management and deployment of IIS Web servers, Web applications and Web sites. Administrators can use command-line scripting with the Web Deployment Tool to synchronize IIS 6.0 and IIS 7.0 servers or to migrate an IIS 6.0 server to IIS 7.0. The Web Deployment Tool also enables administrators and delegated users to use IIS Manager to deploy ASP.NET and PHP applications to an IIS 7.0 server.

Looks like a great tool to help ease some pain!  The Web Deployment Tool will help to:

- Migrate Web applications between IIS 6.0 and IIS 7.0 with ease

- Synchronize your server farm efficiently

- Package, archive and deploy Web applications more easily

More info: http://www.iis.net/extensions/WebDeploymentTool

Ken