This is an interesting blog entry about the quake/tsunami's impact on gaming:
http://www.hbhud.com/2011/03/14/massive-earthquake-hits-gaming-mecca/
More generally:
http://news.cnet.com/8301-1023_3-20042075-93.html
And its not just there that it will have an effect. It will also affect software sales, as a significant portion of global market share coming from Japan has been affected