If your budget is only around 800, get a windows laptop, they are clearly better bang for buck in that price category. There are no good macs on a budget, best you could get is some hopelessly outdated tech with no warranty.
P.S. I am very disturbed that somebody would pay 700 for a 2009 mbp
P.S. I am very disturbed that somebody would pay 700 for a 2009 mbp