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.
Thanks to everyone on Java Ranch, the Mock exams were really very useful. I used the Complete Java 2 Certification Study guide by Robert/ Heller and Ernest with Exam Cram for 310-025 from Bill Brogden.