Walt Mossburg said in his review that "Apple TV's most formidable competitor is the Xbox 360 game console from Microsoft, which, in addition to playing games, can also play back content from Windows computers on a TV." The Times' techmeister David Pogue also calls up the 360 Media Extender in his review, as well some other gadgets.
In our head-to-head, we took Vista Ultimate and used a 360 as a Windows Media Extender. With this setup, we came to the conclusion that the hulking white box ekes out the slimmer, shorter Apple TV—unless you have a standard XP computer with Media Center, or copious amounts of Apple iTunes DRM'd content. Why?