Looks like the Real ID act may pass creating a standardized ID that will be your drivers license. The states will turn into agents of the federal government in issuing them as 'state' drivers licenses. Not only will they be federal ID's they will contain biometric data about you.
Here's an informative letter from Barry Steinhardt of the ACLU:
http://www.politechbot.com/2005/05/04/national-id-card/
Looks like the right of travel and federal entanglement might now be an issue.
Rhexis