The week of Thanksgiving in the United States saw much of the community on holiday, but activity was definitely up the following week.
Topic response percentage for the week ending 12/2/2011: 74% (up 14% from last week)
Topics that have not received a response:
If you responded to any of those, or if I left something out, please leave a comment below and I'll update the list.
Also, don't forget to check out the dynamically updated list of Recent unreplied forum topics.