With only Marussia using their engines at the moment and a general lack of interest from any other higher than them it wouldn't surprise me if Cosworth announced they were quitting at some point this year.
well lets look at the evidence of Stefan: - They deliver a crate to Bahrain for 2010 - Bahrain citizens are all of a sudden armed and fighting against their rulers! yeah thats right! ive made a conspiracy up!.... Or have I?