This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
The Mock-Exam-Errata forum has posts that are usually a month apart. Many do not get answered since no one visits them. I think it is more likely that mock exam authors stick around in the respective certification forums. Thoughts ?