spathotan...that's wishful thinking, but he has a notebook. There's a 2% chance his graphics card is replaceable, let alone upgradable.
OP, you're pretty much stuck with what you have. Lower all the settings and trudge on.
Hmm...damn, that is a laptop. I thought the dell studio was one of those little mini-towers they have.
Sorry for the bad advice SoCal, you cant put a video card in there