I guess they're just another developer to add to the list that includes Square Enix that are concerned about PS3 sales. It's anyone's guess if this growing list of third parties will cause the Playstation 3 to lose third party support.
http://www.gamesindustry.biz/content_page.php?aid=27257
Midway's CEO David Zucker has told GamesIndustry.biz that he's still concerned about sales of the PlayStation 3, but thinks the recently announced USD 100 price cut will certainly help the console in the short term.
"We would not be the only publisher to tell you that we're a little concerned about the take-up of the PS3," said Zucker, in an interview published today.