OK to add an "or just download Pot Player" solution?
Or is there something not quite right about Pot Player's Hi10P playback that I'm not yet aware of?
No, at the time of writing, it's still quite buggy, and not yet recommended by BakaBT. --Duki 01:51, 9 January 2012 (UTC)
Used Haruhichan's Hi10P info guide: http://haruhichan.com/wpblog/?p=205