A company called Diamond Multimedia launches the BVUMD3, a HD USB display adapter that lets users to add a monitor to their desktop PC, notebook/netbook easily using a regular USB 2.0 port.
This USB-powered compact adapter offers a DVI connector and comes with a DVI-to-VGA converter. It supports up to1600 x 1200,1920 x 1080 (wide) 32 bit True Color resolutions and is DisplayLink certified. You can add up to six additional displays (each display needs one BVUMD3). The BVUMD3 has three addition USB 2.0 ports. It works with both Windows PC and Mac.
The Diamond BVUMD3 is available for $73.66.