The official system requirements have finally been released.
I think this will be sad news for many people as Bethseda's new masterpiece really does require a hell of a PC to run at full spec. For the most of us it seems it will be low graphic settings till we get that new gleaming pc.

Recommended:
> 3 Ghz Intel Pentium 4 or equivalent processor
> 1 GB System RAM
> ATI X800 series, Nvidia GeForce 6800 series, or higher video card

Minimum System Requirements:
> Windows XP
> 512MB System RAM
> 2 Ghz Intel Pentium 4 or equivalent processor
> 128MB Direct3D compatible video card
> and DirectX 9.0 compatible driver;
> 8x DVD-ROM drive
> 4.6 GB free hard disk space
> DirectX 9.0c (included)
> DirectX 8.1 compatible sound card
> Keyboard, Mouse

Supported Video Card Chipsets:
> ATI X1800 series
> ATI X1300 series
> ATI X850 series
> ATI x800 series
> ATI x700 series
> ATI x600 series
> ATI Radeon 9800 series
> ATI Radeon 9700 series
> ATI Radeon 9600 series
> ATI Radeon 9500 series
> ATI Radeon 9000 series
> NVIDIA Geforce 7800 series
> NVIDIA GeForce 6800 series
> NVIDIA GeForce FX series