Check out http://labs.discountasp.net/msdeploy/index.aspx
Free Sandbox Hosting Account features:
Windows Server 2008 Platform
50 MB disk space
50 MB SQL Server 2008 disk space
Program End Date: March 31, 2009
As of now, Sandbox Hosting Accounts Available: 1522
Perhaps those interested can quicky grab a sandbox account before the available quota runs out.