Gaming on laptops does cost a lot more. Given you want it to run smoothly that removes any of the laptops that can game but with some limitations.

Good luck in your search. I'll part my kid exchanged his 1,400 buck gaming laptop for a simple Asus k55n at 380 bucks which I popped in another 4GB ram. He says it runs smoother than the 2010 gaming laptop. If you can get a look at that one as well as an A10 AMD powered laptop, let's hear what you find.
Bob