The highest court in the land…no more.
From October the law lords will become Justices of the Supreme Court, created under the Constitutional Reform Act 2005.
Read all about it
http://news.parliament.uk/2009/07/from-house-of-lords-to-supreme-court/
or watch Lord Mance explain the role of the new Supreme Court http://www.youtube.com/watch?v=EHRmi26qFAA