All issues have been resolved for me with Rage.
The only exception is I can't save the game without it freezing up.
Everything is working perfectly very happy with game just can't save it.
If anyone knows anything helpful i'd really be greatfull.
I'm trying to ensure that i'm doing things according to patch notes.

Also noticed option for cache says (cache undefined) and cannot be changed.

3.6 ghz quad
HD 5850 1 GB
4 GB 1280 RAM