ICC T20 matches are back in just 9 months this time as Caribbean venue. Not all countries have option of good coverage of this series in TV Channels. For US if you are Dish Network customer (Dish network is not broadcasting this series), the only option for Dish subscribers is to view the Twenty20 world cup is via online streaming.
US Live Streaming Sites – Willow.TV
Willow.TV is live streaming T20 2010 for $60. The details can be found from this Willow tv event link.
Free Live Streaming Sites
Sopcast and TVUPlayer are other options to watch this series online. These players are downloded and during match time the channels can be searched for cricket. Check back to see the updated Sopcast, mms links here.
For previous IPL series cric7 worked well with good streaming.