Specs: 2.30 gigahertz AMD Athlon 64 X2 Dual Core 4400+ 2gb RAM ATI Radeon 2100 (I know...) MotherBoard: Acer RS740DVF so, I was wondering what would I need to upgrade to make this at least an acceptable gaming PC? (No I'm not playing Crysis or the likes) I usually play games like Call of duty series (with everything set on low ) etc, So what would you recommend I upgrade? (More ram? Different CPU or GPU? i'm not a tech savvy person, but i know the basics) Again, I'm not looking for THE best gaming pc, just what to upgrade on this current one to be able to play most games with decent FPS, or if it sucks that bad then just tell me to get a new one lol thanks!