SHS websites cannot be used to host ASP or FrontPage sites - static content only. Nevertheless, this meets the needs of many ISP's that have large numbers of very small, low traffic sites. Logging is handled and there is a provided administrative front end using HTML to allow mapping of sites. The tool is provided as is, with no support from Microsoft. There is more to come from Microsoft.
Big changes are in the works so stay tuned.
As usual, reader's of IIS Answers Newsletter received this information before this article was posted.