We've covered the open source media player
Miro before. It's well-liked for its facility with web videocasts, BitTorrent files, and ability to handle nearly any type of video file, including full-screen high-definition video. You can also deliver video and audio to Miro's player as a publisher. Now, Miro is out in a new version 2.0 for Windows and the Mac, featuring a new interface, better user feedback,?and faster performance.