According to an article over at Gamermag.ru, THQ has stopped funding the game for GSC & that THQ is planning on pushing GSC's STALKER -Shadow of Chernobyl out the door and in to publishers hands this year no matter what shape the game is in. Great news, especially since the graphics engine isn't completed - The team who were developing this code later left a few months into its building stage. Rumors are that a new engine will be replacing the X-RAY engine.
You can read a translated version of said article at Gamguru Mania.
I've been waiting for this game for two years now. x_x