I used this Monster for a month and it really amazed me with the gaming performance. I personally do not own this beast. My friend had to go onsite(USA) and kept the laptop with me.
Amazing gaming machine, It can run all the games I like on ultra high quality graphics with no lag. The back-lit keyboard and track pad are amazing. The frame rate on this laptop exceeded my expectations. On my favorite game(COD-Black Ops III) I get 55+ frames/sec with everything maxed out. The audio is clear, loud and well balanced. This display is pretty good. This thing has crazy good battery life. If you play games on this you may get 2-3 hours depending on how demanding the game is. It is bit heavy compare to other laptop due to its size.
If you are looking for gaming laptop and you have good budget then go for it. I started saving money and "Dell Alienware" is my next stop. Lets hope Dell reduce the price:-)