...And it seems extensible, possibly a chance to demonstrate some O/R practices with our lovely web glue...
Yes, maybe providing an alternate version of the beans using OBJ to save themselves to a database would be a nice improvement.
...noticed you're using a deprecated syntax at some places in your Form Model, <fd:validation> shouldn't be nested within <fd:datatype> anymore...
Thanks for the info, and feel free to patch at will!
-Bertrand