All the best with the new cam Douglas, keep us posted when it comes in and your impressions!
On the computer side, I think my own experience and what I hear from others is having enough RAM is a key. 16 gigabytes is good. I actually don't find all that much of a diff processing 36 megapixels from my 12 and 16 megapixel cameras. I think bulk operations are slower, but I usually do something else when I'm running a bulk operation anyways, so it doesn't bother me. It is the journey that counts