Alternative mortgage lenders are making good use of the Internet, setting up portals that provide borrowers with more information about the potentially risky loan products while generating qualified leads. A case in point is NationPoint, the Alt A unit of banking giant National City. According to company officials, the centralized retail lending shop gets 97 percent of its originations via the Internet, through partnerships with such lead generating companies as LowerMyBills, Nextag and Lending Tree.…