IRV

I have heard many people complaining that the two major political parties in the United States do not accurately represent their views.  It seems to me that if there were more parties to choose from, there would be more candidates to choose from, and people could pick from a greater selection, allowing the selection of a candidate whose viewpoints are more closely aligned with the voters in question. 

Consider this: 

http://en.wikipedia.org/wiki/IRV

What do you all think?