Graphic issues : weird pixelated clouds/mist

This happened after 3.0 updates, anyone having this problem?
My GPU is AMD 7700 HD (Direct X 11 compatible)
http://i.imgur.com/jKbkSPA.jpg
http://i.imgur.com/FWP0K57.jpg
http://imgur.com/FWP0K57
http://imgur.com/jKbkSPA

Update your driver?