I've recently bought a new setup with a few modifications...NZXT Phantom Case Corsair TX 650W PSU Intel Core i7 4770K 3.5GHz 4th Generation Processor ASUS Z87-K Motherboard 8GB Corsair XMS3 DDR3 1600MHz RAM Nvidia GTX 770 2GB Graphics Card Seagate Barracuda 1TB SATAIII 7200rpm Hard Drive 7.1 Surround Sound Audio High speed DVD and CD Rewriter 4 Rear USB 2.0 and 2 Front & 2 Rear USB 3.0 Ports Gigabit Ethernet Windows 7 & 8 Ready will this run arma 2 co and the dayz mod ok! Also what is the most straight forward way to install the mod, as there are so many different way!!! Cheers Steve