From the sixthaxis : "Our man Kamiboy has written his feelings on the issue (which we're editing for publication tomorrow) but tonight Sony's Jack Tretton has spoken out on FFXIII going to Microsoft's 360. Speaking at a round table, Tretton said Microsoft had spent most of their money "trying to curry favor with third parties".
Clearly, he wasn't aware of the situation and was as shocked as the rest of us. "I guess disappointed is clearly an appropriate term, or surprised," he said, adding that "…we've built up our base and that's where we've chosen to spend our dollars" referring to internal first party development as Sony's alternative.
Whether he was implying that the move to multiplatform for Square Enix was more of a Microsoft-subsidised decision than one guided purely by sales reasons we're not prepared to speculate on."
Original source : http://www.gamasutra.com/php-bin/news_index.php?story=19448