I currently have only a 1-3 fps drop but I have no Black circles Z-fighting or any other texture problems.As most AMD cards have these errors, I guess i'm quite lucky to have no texture errors in anyway :PMy Rig is the following:AMD Llano A8-3850 2.90GHz (Socket FM1) Processor
Radeon HD 6550D DirectX 11 Graphics - Version 8.862.0.0
4GB Mushkin Blackline #996659B (2x2GB) DDR3 1600MHz 9-9-9-24
1TB Seagate Barracuda Green ST1000DL002 3.5" SATA II Hard Drive
Running Windows 7 Ultimate
4 GB ram
Skyrim Ultra Settings
Edit: My Skyrim Settings :