http://www.gamespot.com/news/2005/09/29/news_6134710.html
Well there's an interesting read, I can't wait to see them proven wrong! (hopes)
Through 2008, Gikas and Wissink expect Microsoft to sell 19.6 million Xbox 360 units, with the PlayStation 3 and Revolution trailing at 15.5 million and 5 million units, respectively
But while the PS3 is expected to accelerate quickly and lead all systems with 8.5 million units sold in 2008, the ambitious Revolution is listed as starting slow (500,000 units sold in 2006), and lagging behind its competition with 2 million and 3 million systems moved in 2007 and 2008, respectively