It's for business plus the odd bit of games playing. However, I don't think it's possible to change the specification. A friend has some kind of offer at work, and is wondering if he should take it. Price, which I forgot to mention, is around £800, incl.
Where I come from, "Express" is marketing-speak for "cut-down", so I'm not sure if "PCI express", "815G express" is good or bad. Google is a bit overwhelming when you haven't paid any attention to hardware for the last three years