It'll take them four years to settle on a database technology ... that's three years old and one year obsolete. The main threat to privacy IMO is the claim (which I have not seen verified yet) that the Homeland Security bill would allow the feds to search financial and medical records without a warrant. We've been discussing this topic quite a bit today.
That's their problem. The war is being fought now. If we can survive without another 9-11 for the next 4 years, then was not needed anyway. And, if it's as important as they say, it will be expedited.