This link from HomeToys.com features an article about ideal viewing environment issues:
An Undetected Crime

This link from DisplayMate.com features an in-depth series of articles about the strengths and weaknesses of various video display types:
http://www.displaymate.com/shootout.html

This link from AVScience Forum is an educational thread discussing video bias lighting (backlighting):
http://www.avsforum.com/t/1162578/d65-video-bias-lighting-fundamental-theory-and-practice

This link from Lion A/V explains with text and graphics what picture problems can actually look like on TVs and monitors. It also discusses how professional calibration can fix such problems:
http://lionav.com/info.php

Here's a link to a similar demonstration:
http://www.flatpanelshd.com