From improvements in the efficiency of OLED materials to software developments and new testing techniques, OLED burn-in risk has been lowered. OLED monitors are generally a more sound investment than ever—at least for the right person.
This is a most excellent place for technology news and articles.
This is a good read.
On a side note: Anyone remember the story of the guy that went on vacation and his buddy watching the place left the gay porn on pause on the plasma screen as a joke?