No matter how many monitors get posted on retail websites, they all really seem much the same -- contrast ratios are largely-inflated marketing hype, latency differentials seem irrelevant, and really, the only solid demarcation of product differences is the screen size and panel type. That's what this guide is for.
There's a lot more to monitors than that - and although the choices may feel by-and-large identical, there are minute differences in terminology that can make a world of difference in your monitor purchase.