Hi All - thanks for the replies so far...
The graphics card my Thinkpad T61p is using is the Nvidia Quadro FX 570M with the following spec:
Codename G64GLM
Pipelines 32 - unified
Core Speed * 475 MHz
Shader Speed * 950 MHz
Memory Speed * 700 MHz
Memory Bus Width 128 Bit
Memory Type GDDR3
Max. Amount of Memory 256 MB
Shared Memory no
DirectX DirectX 10, Shader 4.0
Current Consumption 35 Watt
Transistors 289 Million
technology 80 nm
Notebook Size medium sized
Date of Announcement 01.06.2007
Information Powermizer 7.0, CG Shading language, 32 bit floating point precision, 12 bit subpixel precision, 128 bit graphic pipeline, vertex and pixelshader programmability, PureVideo HD, PCI-E interface, FSAA with turned grid, nView multidisplay support, high-precision dynamic-range (HPDR) technology, hardware 3D clipping, full image antialiasing
So Win 7 or XP..? Does 7 use a lot more CPU & memory than XP?