Blinkx is a unique video search engine. The site has more than 35 million hours of video arranged between categories or tabs such as Business, World News and Entertainment. When you mark a subcategory, like TV shows, the page displays a new window which videos regarding the topic. It also contains other more specific tabs which makes your stay in the site so much better. Youtube is quite similar to Blinkx, and here I leave a link regarding Youtube:
http://hubpages.com/hub/youtube_com