MK9's gameplay is too spot on for me to give up. I don't think there's a video game out there that doesn't have odd occurrences (frame advantage bug, anyone?) in their code, so I accept MK9's faults and enjoy all the things I like about it. And, I gotta say, I enjoy the non-cartoony, bloody nature of MK9. It's so over the top but not in an annoying way.
Also, what is it with so many fighting games having the characters saying/yelling stupid shit? Wordless grunts/yells/etc is fine, whatever...but yelling "SIDEWINDERRRRRKICK!!!!!!!!111" really grates on my nerves after the 2nd time it pierces through a speaker system. /endrant /personalopinions