Win 2000 Server and a PDC

We are running a NT server enviroment. 2 of our apps are iffy on 2000. We want to add a 2000 server as a domain controler and demote our NT 4 PDC to a BDC so we can take our time changing over. The 2000 server is a new machine. Can we add it as a DC after we demote our PDC to a BDC?