The Wall Street Journal says the 20GB Xbox 360 will retail at $299.
Sony Corp. chief financial officer Nobuyuki Oneda says the company plans to concentrate on profitability.
Free update includes new online game modes, new vehicles and other enhancements.
Stormrise to be the Total War developer's first RTS title built specifically for the Xbox 360 and PS3.
Reinvention of the original PS2 game set for autumn 2008 release.