new recommended system spec:

Platform: PC
Operating system: Windows® XP (SP2)/Vista (SP1)
Processor: Intel® Core™2 Quad 2.6 GHz
RAM: 3 Gb
Hard disk: 8 Gb
Videocard: 768 Mb, compatible with DirectX 9.0c, with support of Pixel Shaders v3
Audio: compatible with DirectX 9.0c
Access to the Internet: 256 Kb/s
Joystick: compatible with Direct X 9.0


http://www.riseofflight.com/en/Gameinfo.html