There is not much I can recommend on this grinder. I used an almost new model that my father had bought. It was in perfect condition and one can assume that the grind quality would be the best in this condition.
I didn't really like the aesthetics of the machine, although I found it better in person than in the pictures. It was more solid than it appeared but the portafilter prongs (on the doserless model) were plastic-y.
The grind control mechanism is extremely fine, which would be a plus for a single grind machine, but there are no marks on it. You would have to dial it in and leave it.
For the grind, there was quite some particle variation, and dust as well. I compared it side by side to a well-used, but also well-conditioned Super Jolly, and it was clearly not capable of creating a decent grind. I realize that the SJ is way out of the class, but I would not use the Inberital at all for any purpose.