Whats the best video editing program?

i wanna make a video like this one a href="http://www.youtube.com/watch?v=RrssD8Y4Je0" rel="nofollow"http://www.youtube.com/watch?v=RrssD8Y4J…/a so what video editing program should i get to be able to do it? i know i cant pull it off with wmm no matter how hard i try so yeah D: which video editing program should i use i wanna a program thats good but not to hard to figure out thankz for the help