A Freefall screen saver, with breathtaking displays of satellites orbiting Earth, is now a free download for .Mac members. It’s a dazzling peek at the full version of XtremeMac’s Freefall Satellite Simulator & Screen Saver, winner of the 2004 Apple Design Award for Most Innovative Apple Technology and featured in the keynote speech at the Apple Worldwide Developers Conference

XtremeMac’s Freefall software puts the wonders of satellite exploration at your fingertips, tracking the flight paths of more than 850 actual satellites. Rich with simulated space views of earth and its orbiters, Freefall uses the power of Mac OS X to seamlessly transition between perspectives, taking you soaring over the continents and oceans of the world.

Freefall puts the wonders of satellite exploration at your fingertips so you can view the flight paths of more than 850 existing orbiters, from government Global Positioning Systems to satellites used by weather services, search and rescue teams, and more. .Mac members get a 30 percent discount on the full version of Freefall (regularly US$29.95 retail).

More info here.