Upgradability and serviceability is a big concern for a very niche market. If I ran a smaller shop, the iMac Pro would be a clean solution to a complex problem.

Upgradability and serviceability is a big concern for a very niche market. If I ran a smaller shop, the iMac Pro would be a clean solution to a complex problem. But once you hit edit-bays at scale the technical problems exponentially grow. You also can't purchase every machine maxed out when you have to fine-tune a budget. We've often purchased almost all of our Macs without RAM to shave costs. I'm personally holding out for the new Mac Pro specs to become public. A modular system is ideal in a large post-production facility. I have enough external peripherals and connections for 10GbE, fiber and SDI that attaching them all to an iMac is as much of a headache as anything. Especially when you're doing live productions and you have to swap out parts frequently. Price is the least of my concerns though. If I can shave a lot off my budgets by upgrading RAM and GPU over time vs replacing entire machines, that's a big bonus. But I have more concerns with overheating in the iMac Pro than anything. And the touch bar is useless to most of my editors and graphics team. If we could opt for a model without it, we would, every time...