EVO is the premiere fighting game championship tournament, and Mortal Kombat is indeed present again at this year's event.
"The Road to EVO" video series features some of the worlds best Mortal Kombat players, and is certainly worth the watch. The first two episodes are available here, here, or below:
I know the American players featured, but I'm actually not familiar with the UK players, so it'll be interesting to see them play. EVO runs this year from July 12 to 14.