If you've got several possibly aging LCD panels laying around the house, DisplayLink may be able to get them back on the desk without much investment or resources. Today we had some hand's on time with DisplayLink's DVI-over-USB and DVI-over-Wireless USB solutions.
We took a look first at the wired solution, which used a small USB dongle that had a DVI connector at one end. Currently the module supports up to 1600x1200 resolution, which is plenty for adding extra displays to a main unit.

Full story: tomshardware.com