I played the demo for PC. It was challenging (but fun), and graphics are on the high end. Physics are also beefed up (chunks come off of walls if you shoot them). You can search for it on www.filefront.com. Be warned though... it might be a long download, even for High-speed internet servers.
___________________________________ Nova Colonel Seth "Maddog" Menetius Commander of the 39th Wolf Supernova