Yeah I would go with the 7850. Maybe drop the keyboard and go with one you have laying around the house so you can swing that 7850. I love it for 1600x900, so it could only be better in a lower resolution. If you need it right now there is an XFX 7850 for 159.99 after MIR (http://www.newegg.com/Product/Product.aspx?Item=N82E16814150642&nm_mc=AFC-C8Junction&cm_sp=&AID=10446076&PID=3938566&SID=), but if you wanted to future proof or install a ton of mods you could go with a 2 GB version (http://www.newegg.com/Product/Product.aspx?Item=N82E16814150642&nm_mc=AFC-C8Junction&cm_sp=&AID=10446076&PID=3938566&SID=).
Hope this helped. Also, if you are ordering soon, Newegg has a new customer discount of 10 off a purchase of 50 or more so that...