While OLED gaming monitors started out as very expensive, they’ve slowly become… not quite as expensive, but still expensive all the same. Even with big discounts, it’s rare for OLED monitors to get within striking distance of their LCD predecessors. Today is one of those days. Amazon subsidiary Woot is offering the best price we’ve ever seen on an OLED gaming monitor: this 34-inch MSI OLED monitor is going for $499.99. That’s less than half the usual price you normally see for an equivalent model. What’s the catch? Well, Woot’s offer is for a refurbished model — but don’t let that turn you aw…