The online version of Business 2.0 discusses the Space Elevator here. Note that clicking on the link will open up the March, 2006 issue. Navigate to page 78 for the article. No registration is required.
CNNMoney.com also has the article here.
In the March Technical Newsletter, LiftPort’s Research Director Tom Nugent writes about “The Lifter Shield: A More Robust Lifter Vehicle.” The Newsletter can be found here.