For all those who have been asking about the Recommended and Minimum Specifications for the Games for Windows Live (GFWL) version of DiRT 2 please find details below.

Recommended Specifications: Enhanced for DirectX 11
OS
Microsoft Windows XP, Vista or Windows 7
Processor
Intel Core i7 or AMD Phenom II
Memory
3GB
HD Space
10GB
Video Card
ATi Radeon HD 5700 Series

Minimum Specifications:
OS
Microsoft Windows XP, Vista or Windows 7
Processor
Intel Pentium 4 3.0Ghz
AMD Athlon 64 3400+
Memory
1GB (2Gb for Windows Vista)
HD Space
10GB
Video Card
ATI Radeon X1500
NVIDIA GeForce 6800