Since april 30th 2008, the SharePoint Administration Toolkit is available for download. The Microsoft SharePoint Administration Toolkit contains functionality to help administrate and manage Office SharePoint Server 2007 and Windows SharePoint Services version 3.0. This toolkit contains two new functions - the ability to perform bulk operations on site collections and a Stsadm operation to update alert emails after a Web application has changed URLs.
The download contains of two parts. Ofcourse the toolkit itself and an Administration Toolkit Read Me document containing the directions for installing the toolkit.
The kit is available for x86 and x64.
http://www.microsoft.com/downloads/details.aspx?FamilyID=263cd480-f6eb-4fa3-9f2e-2d47618505f2&DisplayLang=en
http://www.microsoft.com/downloads/details.aspx?familyid=F8EEA8F0-FA30-4C10-ABC9-217EEACEC9CE&displaylang=en