DisplayLink adapters are a-dime-a-dozen these days, dutifully displaying our desktop environments on other displays not connected via traditional monitor interfaces. Pumping out video content to the big screen has been simplified, sure, but audio has always been the Achilles heel of the diminutive dongles. Enter Iogear, whose GUC2025H USB External HD A/V Adapter solves this exact problem -- without taking up any additional ports to boot. The 4.2- x .63- x 2.8-inch box supports a max resolution of 1920 x 1080, and will output via HDMI when connected via standard USB. At a nickel under $1