The D.C. gun ban is being challenged. For more info look here, here & here.
Also in Ohio it seems there is a judge who thinks the ban on concealed weapons is violative of a persons rights. A more detailed report can be found here.
& while we're talking about laws, here's an interesting read on how the recent decision by the Supreme Court on copywrite law may affect Second Amendment cases.
Here you'll find an article on how the Dred Scott decision may affect gun rights cases.