Buying a new gaming computer

[Alex231]

Hey guys, I just joined this forum to get some advice on which computer I should buy from here, craigslist: inland empire classifieds for jobs, apartments, personals, for sale, services, community, and events . I'm mainly looking to play games like Arma 2 and I have $400, but if you find one that is a really good deal I might be able to spend more. Sorry if I posted this in the wrong area too, like I said I'm new, and thanks for the help!