Lord Flashheart on 03 May 2010
Google is your friend
http://www.joystiq.com/2009/10/30/ps3-has-lost-sony-4-7-billion-may-be-profitable-next-year/
http://www.vg247.com/2009/10/30/sony-ps-division-has-lost-4-7-billion-since-launching-ps3/
Source is sony itself
I swear someone said they lost the profits gained from the PS1 but can't find it.
