Obsidian Entertainment and Sega have had a bit of a rocky road when developing Alpha Protocol and now the title has been pushed back to a spring 2010 release rather than the announced fall release we thought it would be getting. No details on why this major delay was necessary, but it is confirmed on the official product page. Hopefully this increased development time will do the game good.
(Below is the gameplay presentation of Alpha Protocol from E3 this summer)