Wonderful feedback! Thank you so much for your lightning fast feedback! I am ordering two more identical 32gb sticks, which should bring me up to the 192gb mark. All 5 sticks will be absolutely identical so there should not be any issues mixing & matching memory. I am so excited to see if we can hit above the 128gb memory limit, My GTX Titan arrives today & I am local to Macvidcards.com so I will be having it flashed so it can run natively in OSX. Also one small sidetone, I found the official 2013 Mac Pros AC wifi & Bluetooth 4.0 card with the mini pci adapter and it works perfectly! So far I have matched the 1200mbps SSD using the 30$ Snitch adapter. the AC wifi & bluetooth 4.0 using the mini pci adapter The dual X5690s benchmark almost as high as the 12 core, The GTX Titan X is no comparison even for the D700 as it is 12gb in a single card and most importantly is CUDA enabled. USB 3.0 + 2 E-sata ports + 2 SATA III ports in the CALDIGIT usb 3.0 card. Lastly the memory is the only thing I am trying to breach the ceiling on. Ofcourse this leaves me with one open PCIe slot, 4 empty drive bays and two more optical bays that I put dual blu ray LG drives I got off ebay for 50$ each. I think the reality that the 2009 mac pro with the upgraded firmware can handle all of this is absolutely incredible, what an engineering marvel that 6 years later its still capable of being cutting edge. Any who I will post as soon as I have the additional 64gb of memory. Thank you everyone!