Sony Computer Entertainment America (SCEA) today announced the celebration of the seven-year anniversary of its PS2 computer entertainment system. Since its release in North America on October 26, 2000, more than 120 million hardware units and more than a billion units of PlayStation 2 software have sold worldwide, making it the best-selling gaming platform ever released. Currently there are nearly 1,500 titles in PlayStation 2's software library and this number will continue to grow with more than 160 new games expected in North America throughout the holidays and by the end of March 2008 including Guitar Hero III: Legends of Rock, High School Musical: Sing It, Madden NFL 08, Manhunt 2, NBA '08, Rock Band, and Buzz.