Using mainly combo of mpc-hc and cccp, ever since the new rig(win7 x64), (+using a downloaded latest VSFilter 2.40 because of issues with vobsubs not showing with the included one...)
...Worked so far with everything, with the sole exception being Hiryuu's Dog Days BD-rips which get video and audio out-of-synch no matter what I do in mpc

... (VLC/PotPlayer are able to handle it though.)
But even so, I want to hit a few beats on the drums for
PotPlayer.
PotPlayer is by the author of The KMPlayer and is its successor, both spiritually and in essence.
(As those who use The KMPlayer might know, it's development has been essentially in limbo ever since it was bought by Korean company Pandora TV back in 2008..)
Some characteristics;
-can play almost everything out-of-the-box with included internal decoders(like vlc/the kmplayer) but supports external codecs(like mpc with cccp), which can be set to take precedence over internal ones in case of playback issues.
-supports Hi10P out-of-the-box
-supports ordered chapters (but you have to have/enable/prefer Haali in the settings first, same as with The KMPlayer)
-option included in right-click menu whether to take screenshots with or without /soft/vob)subs. Might be useful here on BakaBT...
Essentially everything vlc/kmplayer wished to be (except the Album Art feature from kmplayer, that's still lacking...)
Latest 32bit (beta or stable) recommended. x64 version still has some bugs to be ironed out...