Im lazy to search for it but this is close:
http://www.portfolio.com/news-markets/national-news/reuters/2008/10/29/sony-profit-down-90-percent-may-miss-outlook
end of core gaming days prediction:
E3 2006-The beginning of the end. Wii introduced
E3 2008- Armageddon. Wii motion plus introduced. Wii Music. Reggie says Animal crossing was a core game. Massive disappointment. many Wii core gamers selling their Wii.
E3 2010- Tape runs out
http://www.fivedoves.com/letters/march2009/ICG_Tape_runs_out.jpg