Maxis has treated us today by launching a new design at SimCity.com (one week after we launched ours!) and have posted the official system requirements on the website for PC and Mac users.

System Requirements

Processor:
AMD Athlon 64 X2 Dual-Core 4000+ or better or Intel Core 2 Duo Processor 2.0GHz or better

Operating System:
Windows XP/Vista/7

RAM:
4GB RAM

Hard Drive:
10GB HD Space

Graphics Card:
ATI Radeon HD 2×00 or better*
nVidia 7800 or better*
Intel Series 4 integrated graphics or better*

Broadband Internet:
Minimum 256 kbps download, 64 kbps upload

*Minimum of 256MB of on-board RAM and Shader 3.0 or better support.

Mac

Processor:
Intel Core 2 Duo Processor 2.0GHz or better

Operating System:
Snow Leopard 10.6.4

RAM:
4GB RAM

Hard Drive:
10GB HD Space

Graphics Card:
NVIDIA 9400M/ Intel HD3000

Broadband Internet:
Minimum 256 kbps download, 64 kbps upload

Recommended Specs PC

Processor:
Intel Core i5 or faster

Operating System:
Windows 7

RAM:
4GB RAM

Graphics Card:
nVidia GTX 275 or better, or ATI 5850 or Better