Let’s see. . .
1. It fails to recognize “legacy” peripherals (like a year-old Epson Printer, or a current-generation Nvidia high-end video card.
2. All semblance of user control goes away. Windows will update as it sees fit, whether you want it to or not. Even if some of your software REQUIRES older drivers.
3. Win10 is a year or two away from being a Subscription. Want more than basic services ? Pay your monthly Microsoft bill. . .
You do have to ask: "How are they planning to monetize Windows 10?
Well, well. That could be a real Show Stopper.
You just called out a couple of my devices almost by model number, and where there's one example I'm forced to think there are going to be a whole bunch more. Especially when we're dealing with that MS bunch.
...looks like digging in with W7 like I did with XP, revisiting that Unix setup or just throw up my hands and buy a couple Apples are the only options left. Especially since I donated all of my drafting equipment to that museum.
Crap.