During the weekend you could see the hardware requirements for DICE's ridiculously good looking Battlefield 3 at the Gamestop website. The specifications were removed rather quickly, but once the cat is out the bag, it's hard to get it back in.
It remains to be seen if these specifications are indeed the final ones, but they are nonetheless food for thought.
Minimum
Hard Drive Space: 15 GB for disc version or 10 GB for digital version
OS: Windows Vista or Windows 7
Processor: Core 2 Duo @ 2.0GHzRAM2GB
Video Card: DirectX 10 or 11 compatible Nvidia or AMD ATI card
Recommended
Hard Drive Space: 15 GB for disc version or 10 GB for digital version
OS: Windows 7 64-bit
Processor: Quad-core Intel or AMD CPURAM 4GB
Video Card: DirectX 11 Nvidia or AMD ATI card, GeForce GTX 460, Radeon Radeon HD 6850