I agree, I want the best performing RAM possible, but I have also heard without knowing the truth to it that AMD CPU architecture runs faster with lower timings compared to higher clocks with looser timings.
Thank you for your response. I found some of these modules still being sold on Amazon. I highly recommend them. A bit overpriced considering you can get CL9 2133mhz for the same price and double capacity. But I'm unsure of the effects of loosening CL timing by 3 for 533mhz.http://www.amazon.com/G-Skill-PC3-12800-Series-6-8-6-24-Channel/dp/B003OFW1MI
I am up to 1700mhz on the stated timings stably.