Wiring up an additional monitor via a USB 2.0 port is certainly an attractive and intriguing option and the LG L206WU does just enough to suggest that DisplayLink could well be the interface of choice for PC monitors in the future.

For simple business tasks it could pass as an attractive option, especially if you work on a locked down machine with a single VGA port in the back. But for home users, in its current form we've no choice but to conclude that its shortcomings reduce it to the status of flawed curiosity.