Microsoft is running a series of launch events for IT professionals and developers in 25 cities starting Sept. 24 (Denver, Miami and Minneapolis) and ending Nov. 9 (Baltimore, Houston and St. Louis).
Houston, TX Launch Event | Windows 7, Windows Server 2008 R2 and Exchange Server 2010 for the complete list and schedule.
The launch events are free, and all attendees get a free copy of Windows 7.