albeit, a little after-the-fact, my favorite Christmas album is by the Brooklyn Tabernacle Choir. it is entitled, "Christmas at the Brooklyn Tabernacle". this holiday collection is well-worth pursuit, year round --- simply beautiful and sweet music.
you can find it here >>> http://www.google.com/products/catalog?hl=en&q=brooklyn+tabernacle+choir+christmas&ved=0CCYQzAMwAg&cid=8228241370906534313&sa=title#p