Nvidia's G-Sync and AMD's FreeSync technologies are more down-to-earth. They help increase the quality of the gaming experience and smooth out frame rates by letting the laptop screen refresh at a variable rate that depends on the output of the GPU. Look for support for one of those technologies if you're a stickler for perfectly rendered visuals. They tend to be in pricier machines, though, and G-Sync is far more common.
As an added bonus, the Predator 17 has hella ports: Ethernet, HDMI 2.0, DisplayPort 1.2, Thunderbolt 3, four USB 3.0, an SD card slot, jacks for headphones and a microphone, and a Kensington lock slot. And like most gaming laptops, this model is easy to upgrade: Two small screws and a panel stand between you and installing two more sticks of RAM. Our pick doesn’t have any open drive slots, but you can access the included hard drive and solid-state drives if you need to replace them.
Dell Home, via its Member Purchase Program, offers its Dell 15.6" Laptop Gaming Backpack in Black/Red for $28.49 with free shipping. That's tied with our expired mention from four days ago as the lowest price we've seen for this bag. (It's the best deal we could find now by $20.) It accommodates laptops with up to 15.6" screens and features a shock-absorbent EVA molded front shield, adjustable shoulder straps, and a deployable rain cover.