The Setup room is abysimal, but if you are a sharpshooter and know what to do and/or looking for you can make it work. But to the average user...like chugging a fistfull of tacks.
The material room can be quite powerful, even if you aren't into mathamatics/nodes upon nodes...like some.
Again, if you understand bump, displace and specular...it works just fine without all of the node tricks.
But to be fair I haven't ever tried DS so take that into account in my summery.

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