Filed under: Displays, LaptopsWe've already heard about a certain other computer manufacturer's supposed plans to go all LED with its laptops in the not too distant future, and it looks like Dell is now set to take the energy-saving leap as well. According to PC Magazine, Dell says that two-thirds of its Latitude E-series laptops will ship with mercury-free LED backlighting as standard by December 15th of this year, and that by the end of 2009, fully 80 percent of all its laptops will be equipped with LED-ba