Probably the biggest case about the Internet and if it stays as open as it is. Verizon wants to be able to throttle/limit/block sites or services from its customers, as do many other ISPs. Hopefully sanity prevails and the courts stop ISPs from being allowed to do it.
http://arstechnica.com/tech-policy/2013/09/verizons-bid-to-kill-network-neutrality-law-goes-to-court-monday/