About a year ago, we got the opportunity to review the Alienware AW2524H, the first-ever gaming monitor with a blistering 500Hz refresh rate. One of the main reasons why we gave this monitor 4 out of 5 stars was its price, which, at the time, was $830. Well, now it’s on sale for $400. This 500Hz gaming monitor is a rare find and an absolute game-changer for dedicated PC gamers. In our review, we didn’t just like the high refresh rate but also that it comes with Nvidia G-Sync support and Nvidia Reflex Analyzer. Imagine the advantage you’ll have in fast-paced games with such a high refresh rate—…