LANsurveyor Express is a handy automatic network mapping tool designed for IT Pros. It normally retails for $499, but users of Visio 2007 can download it free until June 30, 2008.
Here’s a 4-minute video of LANsurveyor in action.
And the download link can be found on www.microsoftincentives.com, just scroll down to the Visio offer.
Source: Bill Watters blog