(Image credit: Tom's Guide) "How much should you spend on a good keyboard?" That's the question I've been trying to answer for the last two years while reviewing them. Those who aren't well-versed with the vast world of keyboards may automatically assume that just because a deck costs over $100, that means it's "worth it." But as someone who tests the best keyboards for a living, that's not necessarily true. Personally, I don't think you should be spending more than $150 on a keeb — and even that's stretching it quite a bit. You see, in recent years, technology has come leaps and bounds, and you're getting manufacturers like Epomaker making super cheap Hall Effect keyboards (like the $59 HE68 ). So when a brand like Corsair comes out with a keyboard that costs $259, needless to say, I'm instantly skeptical.…