Rory Cellan-Jones' Windows 7 walkthrough will be of especial interest to Mac users (because he's one of you):
http://www.bbc.co.uk/blogs/technology/2009/10/a_week_with_windows.html *For over twenty years I was convinced that this was what the bloke sampled on Jean-Michel Jarre's 1985 Zoolook album was saying on the track "Diva". Now, having heard an enhanced digital copy on good headphones (instead of a knackered cassette copy through tinny speakers), my view has changed. I'm pretty sure he's saying "It's not that sort of a shop."