I think many people get frustrated like me when a file type is not supported by a video/audio player but I have found a Multimedia Player that plays almost any file (except real media files). Its KM Player. I have VLC and many more but I think KM Players is the best Multimedia Player around. Try watching DVD and XVIDs on it. It gives so much advanced options for audio and video for both hardware and software. It can be downloaded from the following location:
Please giver your opinions about your best media player.