The 20-state lawsuit against Obamacare has been given a greenlight to proceed by a federal judge in Florida, who denied the administration's claim that the law is plainly constitutional under the commerce clause. The judge denied the administration's legal argument (which contradicted their political rhetoric) that "individual mandates" were a tax (and thereby constitutional under the government's power to tax). Transcript here.
The next hearing is in December, so this is the state of affairs until the election. Like many things pertaining to the Obama administration, it is in Limbo.