It seems that Tuesday 13th and Wednesday 14th February 2007 are the dates set for Gary McKinnon's case to start to be heard in the Court of Appeal in London.
See The Register
There was a power failure which affected the Royal Courts of Justice, in the Strand (see this location map) on Monday, but currently, according to Gary's family and the official UK Courts Service Cause List:
Before LORD JUSTICE MAURICE KAY and MR JUSTICE GOLDRING
Tuesday 13 February, 2007
Not before 3 o'clock
CO/5897/2006 Mckinnon v And Others