In my honest opinion, none.
At that budget, you're not going to get a laptop with decent gaming graphic capabilities. About the best you're going to find within that budget is one with an HD7650m (about the equivalent of the HD 6550 discrete card).
Even so, as soon as the laptop needs updating, you're stuck as you're not going to be able to upgrade the graphics card at all. Additionally, you'll likely be stuck using the graphic card drivers provided by your laptop manufacturer as drivers from AMD/NVidia probably will not work. Laptop manufacturers are in the market of building laptops, not drivers. You'll be lucky if any new drivers come out.
When you get to college, take your $800 and build a desktop for use there. You should also...