inVURTED.com

From digg:
http://digg.com/television/TV_over_Internet_is_already_here_and_its_free_watch_it_now 

This site has over 320 TV channels you can watch for free in your browser. You can watch sports, movies, news, comedy, business, cartoons, adult TV and more. Most popular channels are ESPN, E-Music, ABC News, BBC, FOX, Bloomberg, Galaxy Cartoons, Comedy TV, PETN Music and of course adult channels. Site has recently been upgraded.

www.myeasytv.com

As an addendum: http://www.tv-links.co.uk