One of the best things about this time of year is the contents of the postman's sack. For a few glorious weeks the post may not be entirely made up of the inevitable bills, forms and circulars, but notes of love and good feeling from your friends and loved ones in the form of Christmas cards.Ìý But for Sue Elliott-Nicholls the sound of a pile of Christmas cards on her mat fills her with a feeling of horror and dread.