You're right, Centurian should be included. I started this collection a couple of years ago, but got site-tracked. At FLIBS, I went aboard another Delta expedition, located just down the dock from you... Thunder. The boat's been through a major re-fit and looks great, but at $3.9m for 70 feet, I quickly un-boarded.
Should have a new addition to the Delta forum shortly. "Laurel" is on the way.