What I meant was that since you said you were lagging on the R46, when you play GTA IV you will be lagging as well
-Edit-
I was helping Jose figure out why he couldn't run the exterior on his system, and the Microsoft Management Console is telling me that it is a DLL file related to AMD drivers, version 12.6. If anyone else has a desktop with an AMD graphics card, can you tell me whether you can run it or not? I want to try and figure out whether it is a driver fault or whether it is just Jose's system.