Just in case you miss it, at
http://dellverticalline.com/ is this snippet from Delldate 6th Feb:
"We are aware of customer complaints regarding certain laptop displays. We do take this feedback very seriously and we are currently investigating these complaints. We will continue to update our customers as we gather information and get a better understanding of the situation.
During this process though, we encourage customers to provide us with information about their specific experience. If you feel your system is not functioning correctly, please contact
[email protected] and include the phrase LCD VERTICAL LINE OUTREACH in the subject line of your email. Please also include the service tag of your Dell computer in the body of the message."