I tried the three-star Cornilleau ABS Evolution over a couple of sessions, repeatedly switching back and forth with DHS D40+. I had expected them to just be a rebranded DHS and behave in exactly the same way, but not quite.
Both are obviously made from the same material and leave a significant amount of the "signature" white dust on rubbers when new, and a bounce test gives very precisely the same result (down to the fifth or sixth bounce, letting them fall from about a metre high over several tries). Roundness and consistency on par with the three-star rating.
However, the Cornilleau are noticeably lighter. I could already tell by shuffling them up quickly behind my back, and guessing which was which every time. Other people agreed instantly. It is also true when playing, so that spin feels nastier and it is not quite as easy as with the DHS to just punch through heavy backspin or any such kind of stroke, yet it doesn't feel too light or flimsy in the way a G40+ does. This makes it interesting for those who haven't quite got over the change from celluloid and will find some sort of compromise, although the behaviour overall is still clearly that of an ABS ball (of good quality).
I am not sure which I prefer, to be honest. What I can say is playing with the Cornilleau felt a little more technical and required more attention (again, I am not faulting the consistency in any way) while switching to the DHS after a few matches suddenly felt like playing tennis or at least, easier and almost recreational, if I may exaggerate the difference here for emphasis. Note that I also have a lot more experience with the DHS, so there's that, and I think the Evo should be seen as an alternative with their own merits.