Mehicans

I am short on money and basically need to make the right decision when it comes to this game. I own a ps3 but prefer a mouse and keyboard to a controller. The PC requirements are Recommended: OS: Windows 7 Processor: Core i5 750 2.67 GHz or equivalent Memory: 2 GB RAM Graphics: ATI Radeon HD 4870 or NVIDIA GTX 260 DirectX: Version 9.0c Hard Drive: 6 GB available space My specs are: Windows Version: Microsoft Windows 7 64-bit Intel® Core i3 CPU M 330 @ 2.13GHz GeForce GT 240M Total RAM: 3.0 GB