OLED laptop screens are kind of like washing machines: Once you’ve lived with one, you don’t ever want to be without it. But they’re typically reserved for high-end designs or pricey screen upgrades, putting them well out of the budget category. Today’s deal from Acer seriously lowers the bar, chopping $400 off the price of the 14-inch Swift 3 and letting it go for a cool $499.99. Yes, with OLED. This variation of the Swift 3 comes with an impressive Core i5-12500H processor (a little under two years old, but still extremely capable) with surprisingly powerful integrated Xe graphics, 8GB of DD…