8th.creator/Shutterstock If you've been thinking about upgrading the main TV in your house, you may be deciding between an OLED or LED-LCD model. In many home theater circles, you'll be encouraged to choose the former; when it comes to near-perfect black levels, rich colors, and pixel-perfect performance, it's hard to beat an OLED TV . But at the end of the day, the model you purchase needs to make sense for you. OLED models are pretty remarkable, but are also known for a handful of quirks that may dissuade you. Classically, OLED screens look their best in a dark room with controllable lighting, which might be the exact opposite of the space you want your new TV to live in. There are a few other reasons upgrading to an OLED TV might not be worth it, so we've assembled a list of common drawbacks to keep in mind that you might not be aware of.…