Try to find out where that boat was built. Most of the older boats were built by Golden Wave, which was actually a yard set up by Cheoy Lee to build Midnight Lace. The boats had fully cored hulls, Tom Fexas wanted to keep the weight down in his very fuel efficient hull. Hatteras owners are not familiar with the problems of a cored hull, which stems from poorly installed aftermarket through hull fittings. If someone added a thru hull or a transducer, without properly bedding the fitting, there is a possibility of intrusion into the core. Ask the seller if he/she knows of any hull problems.
If you buy a Lace you will get attention wherever you go. If you go to a marina in a Hatteras, they might not remember you when you come back a month later. With a Lace that has been nicely redone, you will be remembered.