I'm looking for a laptop for gaming and DJing.?

I want one than can run Virtual DJ or Traktor without any delays or freeze-ups. I am thinking about cideo DJing and I would like it to be able to handle that. I also play starcraft 2 and i want to be able to play it on better than the lowest graphics setting. I would also like to be able to stream videos without having to pause and wait. Any help or suggestions on what specs I should look for would be greatly appreciated. Oh and I want to spent as little as possible while still getting a quality machine.