Sport Television Online What Is The Best Web Site/service That Allows You To Stream Live Sporting Events/television?

What is the best web site/service that allows you to stream live sporting events/television? - sport television online

I prefer free sites, but would pay less than $ 20 if the quality is good. I must inform the NHL playoffs, when I look to Switzerland for a week. Some sites that I saw are:
http://www.officialtvsports.com/
Sports Online Live.net
www.live-sports-network.com
If you have used these tell me what they are. THANKS