This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
Got an e-mail from Oracle last week informing me that I had passed the exam. Thank you very much for your support!!
In terms of perparations: I posted my notes on the first exam about mid last year. It took me about 80 hours spread out during 3 month to prepare for part two and three. The main thing that helped me was chapter 9 of the architecture book and this forum.