Microsoft's Visual Studio SDK team have produced some IronPython
integration. Its available as source code but you have to sign up
(including Passport ...) for a Visual Studio SDK license.
Info:
http://blogs.msdn.com/aaronmar/archive/2005/12/09/502202.aspx
Download:
http://affiliate.vsipmembers.com/downloads/41/UserFileDownload.ashx
Neil