It might be a week full of Prime Day deals, but Best Buy is also looking to tempt you with its own parallel event: Tech Fest. As you might guess from the title, Tech Fest is all about discounts on home entertainment tech, everything from OLED TVs to headsets, Apple products to video games. If you’re looking to upgrade any of your devices or your home entertainment setup, there’s a lot to check out here. We went through the whole…