Nintendo finally debuted its DSi yesterday and it will arrive in Europe this Friday. The 3rd generation game dual screen system has already sold over 2 million units since it was launched in Japan last November. Not only can you play games, there are two cameras, a microphone and tools that help create and share content. The DSi costs $169.99 while the DS Lite will continue to be available for $129.99. Their site offers games, including freebies if you buy the portable game system online, a club, newsletter and more.