well i got the B&S assignment, the details of my score are:
General Considerations (maximum = 100): 90
Documentation (maximum = 70): 70
O-O Design (maximum = 30): 30
GUI (maximum = 40): 28
Locking (maximum = 80): 80
Data store (maximum = 40): 40
Network server (maximum = 40): 30
i found the Andrew Monkhouse book very helpful, i used the MVC
pattern for the GUI, RMI for networking, (a remote factory pattern), i used a Facade pattern for the Data.java class. (just like the book).
i spend about three months (spare time) developing the assignment and after i made the essay it took five week to get results from SUN.
i wish you luck in your assignment.