None of the above.
I did the Christmas tree thing when the kids were young, always natural btw, dam kids.
The only "xmas tree" we've put up since they were kids is dead branches off of our summer type trees decorated with tiny "dead" doll heads, figurine crows, and plastic insects.
My youngest daughter loves how we express our distain for the holiday season. The oldest loves how it's a perfect time to complain that she's stuck living in a house with the Adam's family. "Omgawd... you people are freaks! just give me cash and I'll spend the season with Christine (her step mom who thankfully is not one of "us").