Here's a couple of tutorials to upgrade the hard drive on the Apple TV
http://www.appletvhacks.net/2007/03/23/apple-tv-harddrive-upgrade-process/
http://www.engadget.com/2007/03/23/how-to-upgrade-the-drive-in-your-apple-tv/
arn
http://www.appletvhacks.net/2007/03/23/apple-tv-harddrive-upgrade-process/
http://www.engadget.com/2007/03/23/how-to-upgrade-the-drive-in-your-apple-tv/
arn