Problem is that if you buy it on .com, you could be hit with import tariffs. I got hit with an import tariff on my keyboard, which was something like $80 for what was a $200 USD keyboard. With the tariff and exchange rates the damn thing ended up costing me damn near $400 CAD by the end of things, so be careful about ordering anything from a US site if it's available in from a canadian site too (I actually looked for my KB on canadian sites but couldn't find any ones with MX Red switches, which is why I ended up ordering from an american site :/ fuckers)
That said, I have a predator monitor myself, and I'm enjoying it quite a bit. Mine's 23.8 inch 1440p, 144hz, gsync.
Gsync means that your monitor and graphics card synchronize updates, so your monitor only updates the image when the GPU is finished rendering a frame. This completely eliminates screen tearing during fast movement. It's a neat feature, really, but it's only really effective if you can't drive a game at whatever framerate you've set the monitor to. It means if you dip below whatever your framerate is, there's no chance that your monitor will get a half finished frame, and the monitor will instead wait for the GPU to render the screen before it updates. If you can hit whatever framerate and hold steady, vsync is perfectly fine.
I don't even take advantage of gsync when I'm playing Osu!, because it's best to keep the game's framerate uncapped because it processes input only when it draws a frame, meaning the more frames it can render, the more accurate it will be at timing your inputs. But on something like say, borderlands 2, which I'm actually running at 3620x2036 and downsampling, it's nice, because I don't hit 144hz at that resolution (usually somewhere around 80-90 fps when running around, not sure what I get in combat, but it's still probably keeping over 60). Only shit thing is that I get the dumb physx color glitch at the bottom of the screen, which seems to be related to resolution from the really quick googling I've done.