Howto investigate your LCD display for dead pixels
 

LCD's are highly sensitive and any amount of pressure, touching or handling may damage it. As such, dead pixels aren't an uncommon thing. Apparently, some degree of dead pixels is to be expected. Still if you have a lot of them, it would be classified as a defective screen. So, how do you determine if you have dead pixels?

Link: http://www.dvhardware.net/article5979.html

good stuff

the proggy doesn't work with multi monitor setup:)