Go to Daum to see Kim Yuna's Vancouver 2010 Gold Winning PerformanceTuesday, March 02, 2010
I've found a solution. You can see it on the Korean website Daum.
For those that need English...sorry, but the first video that loads will be her performance in Korean. Basically, the announcers are telling you about the moves and about how wonderful she is.
Here's the link for Yuna Kim's 2010 Gold Medal Performance Video: