Who is it best for: If you're looking for a gaming TV and don't want to spend the money on an OLED model, the Roku Pro is a solid choice. It will also do 4K HDR and Dolby Vision.

Whether you're a traveling exec, a gamer, or a graphic designer, a portable second monitor can add an extra dimension to your work or play. We've tested most of the major models. Check out our top ...