What's next?

A federal judge in Detroit has ruled that the Bush administration's warrantless wiretapping is unconstitutional and has enjoined it. I assume that the administration will appeal, but their actions to be able to continue wiretapping should prove interesting. If they appeal, would the courts ruling be immediately suspended? If not, would they defy the order?
Bush has asserted his right to do whatever he deems necessary for national security, including violating the law, and while the adminstration has avoided direct confrontation with the courts (as with Padilla), there might come a time when they will put their money where their mouth is. Is this that moment?