(Image credit: Hisense) Given the relatively recent rise of big-screen TVs, it doesn’t surprise me that I often field questions about how to shop for one without spending a ridiculous amount of money. Giant screens don’t just give people a taste of the movie theater experience at home, they’re also a great fixture for social gatherings centered around sports and shows. There aren’t too many super- affordable, 85-inch TVs that I would earnestly recommend to people who want to avoid scraping the bottom of the barrel. But right now, the 85-inch Hisense U65QF is just $799 at Best Buy . It’s a $1,200 discount on a big-screen TV that’s actually worth buying. In our full Hisense U65QF review , we commended this entry-level model for punching well above its weight when it comes to picture quality. The U65QF offers better brightness and backlight control than just about every 85-inch model in this price tier, and it's all thanks to its nifty display hardware.…