they really think that
HMV, the same online retailer who are currently offering Xbox360 version of MGS4 for pre-orders are also offering a pre-orders for PC/360 versions of Haze and UT3 which have all been confirmed by the game publishers and Sony to be a timed exclusive to the playstation computer entertainment this year.
http://n4g.com/NewsCom-57047.aspx
UT3 and HAZE this year on 360 believes