Of course, that means Mac users will have to install the Silverlight plugin - a 1MB download that works with Safari and Firefox. But once that's in place, you can catch up with last night's Corrie or watch live streams of ITV1,2,3 and 4.
It's a significant development because it proves that broadcasters can stick with Windows Media as a video format - with its built-in copy-protection - and still stream to non-Windows users.
It also allows Windows users who prefer the Firefox browser to get in on the video action
There's no news as yet of a Linux version of the service yet, but with Silverlight for Linux in development, it can't be long.