On most preserved railways, the 'Santa Specials' in December are a major source of revenue and I had a couple of days driving 'Royal Pioneer' at Peak Rail (photos at Peak Rail).
This year, the Battlefield Line had B1 'Mayflower' on the 'Santa' trains (photo above) but this immaculate locomotive came with its own crew so I didn't have the opportunity to work on the engine but did manage a round trip on the footplate (more photos at Mayflower).
Best wishes to all my friends for a happy and peaceful 2007.