well after 1 hour of fighting with the apple tv, it finally accepted that it has now a 250 gb harddrive and is useful now.

...at least until we got more than 150 dvd's...

how todo it?

http://img.engadget.com/2007/03/23/how-to-upgrade-the-drive-in-your-apple-tv/3

it was really fairly simple, once I got the right screwdrivers