Is this somthing that will go to the Supremes??
I don't know. I suppose it could if the government appeals the decision. From the article:
The injunction blocks the implementation of the government's plan until the lawsuit is resolved or an appeals court overturns this judge's decision. The government will evaluate the "modest legal obstacles" presented by the judge, addressing them in litigation or outside court, as it examines its options and determines whether to appeal the decision, Chertoff said.
"I don't think there's anything in the judge's ruling that is insurmountable," Chertoff told The Associated Press...