Yesterday, Microsoft launched the Zune HD, it's upgraded personal media player that was designed to go toe-to-toe with Apple's iPod Touch. It plays music. It plays video. It can surf the Internet via Wi-Fi. The Zune HD even plays games. However, before you get too excited about that last part -- games -- just know that not only is the Zune Marketplace home to a paltry seven game, but that they are all over-priced.