I will say that IMAZ was the first IM on my list... until I realized that I would have had to train outside through the coldest months of the year. Then I said, "NO WAY!"
It will suck for you gals living in AZ... but for the rest of the US... it's going to be good... and now the race will probably sell out quicker.
"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather, to skid in broadside thoroughly used-up, totally worn out, and loudly proclaiming: WOW WHAT A RIDE!!!!"