How to properly play .mkv x264 in vista 64bit

There are 5 options to play .mkv x264 files in Vista 64 bit. Here are the possibilities:

1. Mplayer
2. VLC Player
3. MPC-HC
4. MPC+ffdshow+HaaliMediaSplitter
5. MPC+CoreAVC+HaaliMediaSplitter

Hope this helps.