At the top of the gaming laptop pantheon are full-size "luggable" desktop replacement laptops. While these are still laptops in the strictest sense, they are essentially made to be portable desktops rather than lap computers or even a machine meant to be used away from mains power for an extended period of time. This allows them to use component choices you couldn't do in proper laptops, improving performance at the cost of weight.
The mouse is a bit longer than most, but smaller than many of the 'ergonomic' mice. It fits my larger hands comfortably which many smaller mice don't. My wife has smaller hands and finds it comfortable to use. I have several young children and they have no problems with it either. the mouse is pleasantly symmetrical, and while nice to look at and fit in smaller pockets, my hand is not symmetrical. I have a thumb on one side and a pinky on the other. I would say like most people, but I haven't met most people. this leaves your ring finger kind of hanging and your ... full review
We also liked that the laptop, despite its very thin 0.8 inches, features a lot of connectivity. You get two USB 2.0, two USB 3.0, a LAN jack, HDMI, plus a card reader. It's a great setup, leaving no modern ports left to be desired. Speaking of modern, the ASUS Metal also sports a very good anti-glare display, plus dual fan cooling to keep the laptop running smooth during gaming sessions.