Comp specs:
Operating System Microsoft Windows 7?Home Premium Edition Service Pack 1?64bit?(build 7601)
Processor Intel(R) Core(TM) i7 CPU 950 @ 3.07GHz
Number of Processors Logical Core Count 8 Physical Core Count 4
BIOS Default System BIOS
Language русский (формат: русский)
Physical Memory 8183.117MB
Virtual Memory 2047.875MB
Page File 16364.434MB
Storage C:\ Hard Disk Drive Total Disk Space 931.458GB Free Disk Space 883.071GB
Storage D:\ Hard Disk Drive Total Disk Space 931.459GB Free Disk Space 871.525GB
DirectX Version DirectX 11
Graphic Device(s) NVIDIA GeForce GTX 480
+Device \\.\DISPLAY1
+Chip GeForce GTX 480
+Maker NVIDIA
+Video Memory 1503.438 MB
+Shared Video Memory 2559.852 MB
+DAC Type Integrated RAMDAC
+Display Mode 1920 x 1080 (32 bit) (60Hz)

After newest nVidia driver (270.61) installed - terrible FPS drops in Uldah, stuttering that doesnt let me play..
I'm tyred already, when everything will be all right?
Maybe I can change something - reinstall driver/game?