We told you Lenovo's ThinkPad team was up to something, and two days earlier than its predicted Earth Day launch, the ThinkPad L Series has been released into the atmosphere. While it may look like the ThinkPad R Series -- which it will eventually replace -- Lenovo says the 14-inch L412 and 15-inch L512 are the greenest ThinkPads ever made. Besides being 40 percent more power efficient than "other laptops," they're partially made from recycled office water jugs and miscellaneous used equipment. If all that green stuff doesn't stir your soul, the L Series has the standard ThinkPad chassis and can be specced up to be a pretty solid mainstrea
