This is what I've been using for the past couple of years as my main rig. It's been a really solid. I paid $1,200 for it in March of 2013 (plus another $100 recently to upgrade from 12GB of RAM to 16GB).
ASUS N56V, Windows 8.1 64-bit, Intel Core i7 2.4GHz, 16GB RAM, 750 GB Hybrid HDD/SSD