Lifelong Learning Accounts Act of 2008 - Amends the Internal Revenue Code to: (1) establish tax-exempt lifelong learning accounts to pay certain educational expenses, including tuition, fees, books, supplies, and information technology devices; (2) allow individuals between age 18 and 71 a tax credit for cash contributions to their lifelong learning accounts; and (3) allow employers a tax credit for contributions made to the lifelong learning accounts of their employees and for administrative costs associated with small employer lifelong learning accounts.