Drupal 6 (only using 7 on my own site yet), Organic Groups, Ubercart, PayPal integration. Two days left in the year, but almost there! As usual, path aliases and navigation are where the pain's at.
Merry Christmas and happy holidays. Remember: the smart money is on this being all there is. It's the real thing, not a dress rehearsal, and it's a one-way pass. Be kind, be happy, spend time with...