I'm a little confused with the interface changes, but not too bad.
The management "under the hood" stuff is quite a bit different, and is more along the lines of MS server products. Which is not a bad thing. I do run Windows X Pro 64 bit, upgraded from 7 Pro. Never cared for the "home editions".
I'm pretty convinced I will no longer need some third party tools like Partition Commander. Not quite convinced about Anti Virus software yet, but I'm checking into it. Windows Defender does not add much latency at all, and it sure used to. Interesting.
I did upgrade the subscription to G-Data antivirus, as it has been excellent for the latency stuff.