Yep, it's pretty much time to be thinking about such things. Make it less arduous by choosing something well-designed, hand printed or giggle-inducing.
From top: Oh My Cavalier!'s paper deer, Peace on Earth card by The Wheatfield, byvikINK's Feliz Navidad card, Dandylion Press's Puffin card, Joyeux Noel by Yellow Owl Workshop and for something that provides good cheer with a hearty dose of blasphemy, Earmark's Jesus Birthday card. HF.