ORLANDO-The inn, of undetermined size and brand, would be built atop the Presidential Ballroom at the 7.3-acre, eight-building, 260,000-sf Downtown entertainment complex now preparing to be redeveloped after 27 years, Daryl M. Carter, president of Maury L. Carter & Associates Inc. and a partner with F.F. South & Co. in the venture, tells GlobeSt.com.