Yea thats if Crysis doesn't blow up your computer first . I played the demo (It actually worked on this PC, specs below) but it kind of reminded me of Far Cry which I really didn't like.
Freespace: The Great War and Freespace 2 HANDS DOWN the best story in a game I've ever played. It's a first-person spaceship shooter... if you're willing to go with 1998 era graphics, which are still pretty nice IMO, you'd have a blast. Go for it