Lenovo may not have had its ThinkPad L Series laptops out in time for Earth Day, but the company's found an arguably even better incentive to help you help them save the environment: a nice fat upgrade and a small sale to commemorate their new availability. While we were originally told the $649 ThinkPad L412 would house a lowly Celeron P4500 inside its post-consumer-content housing, it appears Lenovo has decided against using that chip entirely -- cue applause -- in favor of the 2.13GHz Core i3-330. What's more, both the 14-inc
