Yes i know i am crazy but budget is budget and thats all i have right now ive looked at an acer and its ok for my needs but i want to know if i can get better i want to play games like Arma2 and Payday but my gateway i have now is slowley dying and i cant upgrade so if anyone knows of a decent computer or a place where i can make a decent computer it world be greatley apreciated
Here's the problem that your facing , for $400 the prebuilts are all going to have intergrated graphics and that's not very goog for gaming. You can do web surfing and playing movies and some very light games. To build one with a seperate video card your looking at $600 minimum for something that would do a decent job at games. So is $400 the absolute limit and when could you increase that.
The total for this build is $483.92 and while it's over your $400 this is a build that will play your games and maybe you can get a lower price from some other online store or if you happen to live near a Micro Center then you could get some better prices. The key would be to shop around and see what you can find for lower prices on the parts listed. You may be able to get a cheaper motherboard but you want to stay with some quality and not get to much into the bottom quality and end up with junk.
As many computer upgrades nuts that are out there, you'd think there would be someone willing to let their I-7 950 $2000 computer from 2009 go for $500 bucks or so. Maybe way more computer than you could piece together now. If I had a low budget that's probably what i'd try to do first.
... my gateway i have now is slowley dying and i cant upgrade ...
Can you post what system you have now? If it is reasonably modern then getting a fresh install of the factory software load by doing a full recovery install and then follow up by putting in a strong video card ($125-$175) might get you a nice gaming machine.