Hello. I didn't see anyone mention this yet, so I guess I'll the one to bring in the bad news. MK does indeed output 480p, but the problem is that if the level is a "busy" one, (rain, snow..) slowdown occurs. To test this, just fight a match on Sub zero's board (snowing out), and smash one of the ice blocks while in a fight, preferably with some blood on the ground... The funny thing is, this slowdown doesn't occur if you set up your xbox dashboard to "no", when asked if your TV supports 480p.. I found this out when some people on other boards started inquiring about slowdown in the xbox version (including myself). It turns out, that it was the people with HDTV's that were asking the questions about slowdown.. So, while it might not be the best solution, at least their is a way to get rid of the slowdown.. Also, staying in 480p and turning down the blood helps as well, but you loose some detail, and it's not as good of a fix as switching over to 480i.. On a side note, I believe the xbox version is the only one with AA enabled, and the game still looks pretty nice, even in 480i on my CRT 32" HDTV.. Sorry to bring the bad news... Game on.