Yeti Studios (which is the new name for the Rage Sheffield studios, bought out in August this year) is apparently going to release GunMetal on the PC platform. Yeti being the developer in this instance with Rage being the publisher.
Yeti Studios is currently developing the Gun Metal franchise with it's American Publishing partner Majesco. A PC version of the already successful Xbox version will be out in Q1 2003, with a sequel for both Xbox & PC on schedule for a Christmas 2003 launch.