Just to share my experience...
In February I moved from South Florida to Durham, NC and transported my 210 gal tank, and all of its inhabitants, in its entirety with me.
I got 2 Brute 40 gallon garbage cans, and a hand full of ~20gal totes. I put sand in the bottom of the Brute cans, filled each with Live rock (I have about 300lbs) and then filled them each with enough water to cover the rock. I split my fish between 2 of the totes, and corals in another.
After setting out with this all in the back of a UHaul at about 50 degrees, my wife, who after about half way, became sick and need to stop for the night. YES! The entire content of my 210 tank sat in the back of a Uhaul where it probably got down to ~30 degrees all night long.
After arriving in NC, the following day, I moved all the totes with the livestock into the house right away and setup a 10 gal tank and the larger tote as temporary housing.... The brute cans, since I couldn't move them myself, and the movers didn't come until the next day, spent a 2nd night outside in the UHaul. Although none of them looked like they were going to make it, only 1 died (Foxface Lo) in transport. Another died, because of a foolish mistake, and was by far my greatest loss. My Blue Hippo tang was stuck in the rock that got moved into the brute cans. And didn't make it to a tote. My clownfish and 2 other tangs survived after nursing them all back to health. Within a week or two they were back to 100%.
All of my corals, a small assortment of softies and LPS all lived, as a matter of fact, some xenia, that I had bought in S.FL and had died months earlier, came back to life several months after setting up the tank her in NC (and now there are like 20 pulsing heads).
What didn't live were the inhabitants of the live rock. All my snails, crabs, starfish, pods.... all died. And seeing how I only reused about 60-80 gals of my old water, my tank cycled again, and had to build its bacteria colonies again. However, my live rock def stayed "live" for polyps, feather dusters, mushrooms, etc... that were on a particular rock before the move, eventually came back to life on that same rock in time.
Hope this helps in some way... I guess my move was pretty bad considering the temp changes, and still most everything lived. And like I said, the hardiest of things where the fish and corals.