Maybe it's because I just re-read Watchmen, but the idea of getting D-Link's SideStage, a bonus 7" USB-powered display for extra video monitoring, sounds like a really good one.
The Gadget: The previously Korea-only 7-inch plug-and-play Mimo display, which hooks up via any USB 2.0 port. The resolution is a not-too-shabby 800x480, and higher versions, like this UM-750 also has a webcam and touchscreen.
Connecting monitors to computers via USB isn't really that exciting anymore, but this little dreamboat from Century Japan does something much more than that: it runs on bus power. In other words, this thing is powered just like your trusty flash drives, mice and soda can-shaped USB humidifiers. A tiny, portable, fully…