Amazon Video on Demand goes HD, comes to Panasonic VIERACast TVs

Top titles available now in HD on Amazon Video On Demand include new-release movies such as "Frost/Nixon," "Twilight" and "Yes Man" and hit TV series including "Californication," "The Tudors," "Smallville," and "Gossip Girl."

http://www.engadget.com/2009/04/21/amazon-video-on-demand-goes-hd/

Amazon Officially Adds HD Content, and It Looks Good

http://newteevee.com/2009/04/21/amazon-officially-adds-hd-content-and-it-looks-good/