I never understood the appeal of the Pirc.
I understand the idea is to counterattack, but it seems to give white a very free hand.
Look at the game I posted against a pretty strong player. I was never cramped, nor did white have a free hand. Like all openings, you need to know how to play them.
http://www.chesstape.com/index.php/advanced/karjakin-vs-mamedyarov-pirc-defence-2013-tal-memorial-rd4