1. You probably want to wait for Skylake and the new models that will come with it (you've probably notice there aren't many laptops with Broadwell)
2. For those games, you don't need the most powerful GPU
3. Do you need an OS included in price?
You can read this E5-573G review (the one that sells for $460 now): http://www.gaminglaptopsjunky.com/acer-e5-573g-review/
What is your budget? I think a good refurbished laptop might be a better option for you