Yeah, perhaps it was unnecessary.. it just seems like whenever I make any kind of constructive criticism someone always comes out of the woodwork to say it looks just fine. Everything looks just fine and we should simply go with the first thing that is shown.
Anyway, as demonstrated this isn't about fact anyway more of opinion and taste when you come down to it. A lot of time on the internet it seems like one has to defend what they say. I'm not suggesting you be mindless but perhaps more mindful and less prideful (not that I think you are egotistical or anything).
But since you asked I circled the area that really bugs me... (I'm guessing you have your heart set on the huge crack on the stage so I didn't circle it)
http://dl.dropbox.com/u/28944/MK/the_pit_HD_screen_crumble.jpg
Have you given thought to how the blood in the pit looks? Since bodies have been falling down there for a while it wouldn't all be fresh and much of it would be dried up and not be all shiny red.
BTW, the blue color on Sub-zero above looks a little off but other than that those look like pretty good palette swaps.