VLC media player v0.9.2 "Grishenko" the cross-platform free and open source media player and streaming server has been released.

VLC media player is a highly portable multimedia player for various audio and video formats as well as DVDs, VCDs, and various streaming protocols. It can also be used as a server to stream in unicast or multicast in IPv4 or IPv6 on a high-bandwidth network.
It doesn't need any external codec or program to work.

More informations and downloads:
http://www.videolan.org