2nd, the manual, quickstart guide, and setup wizard do not agree with each other. The light color scheme is non standard, and if you are used to other routers setup is not intuitive. Download the manual from the D-Link website first.
It's fast; Once I figured out the setup, configuration was easy; Lots of options in the (very confusing) setup menu; Strong wireless throughout the house; Power button on the back is a nice improvement over power-cycling by pulling the plug.
1st; it's not a USB connection as advertised; it's an ethernet jack