Things are looking up if you were thinking about picking up a new 4K TV. The price of an OLED has fallen dramatically in recent years, with newer standouts like LG’s last-gen C2 and A2 having recently sold for as little as $800 and $600, respectively. However, if you’re looking for a larger model in that price range that still manages to impress, Hisense’s 65-inch U8H QLED is on sale at Amazon for just $799 ($101 off) — $40 less than the price we saw during Prime Day just over a week…