PotPlayer is a much improved/faster version of KMP, including ffdshow and some other stuff to connect to a Korean-only video/chat network.
It supports seamless playback(up to 1000 -one thousand- AVI/WMV/MKV/MPG files at once, mixed containers are allowed), auto-resume on the last 200 opened files, has fully configurable XML skin files and also a D3D exclusive mode.

Here are some key fetures of “PotPlayer”:
– Ability to play and stream most video and audio formats
– Ability to play incomplete or damaged AVI files (by skipping the damaged frames)
– Very fast and lightweight
– Can remember where the user left off in a video
– Keyboard shortcuts for just most tasks, including seeking, volume, zoom, brightness, contrast, and even subtitle resyncing
– Subtitle support, including SAA and ASS support as well as embedded subtitles in MKV, OGM, MP4, MOV, and 3GP files
– Fully skinnable, users can choose different skins for different types of files, make the window transparent, hide the window border when playing, and more
– Video filters, like deinterlacing, postprocessing, de-noise, and more for customized playback
– Audio equalizer and video equalizer, that lets users adjust the brightness, contrast, hue, and more of the video
– Many more advanced settings in the Options menu