I like Paestum Rose a lot. I got a decant of this shortly after trying Tauer's Incense Rosé--which I also like--and I immediately thought that the two perfumes were very similar. But when I got around to trying them side by side, they turned out to be quite different (I wish I were better at describing perfumes; if I were, I'd try to characterize what separates them).
At any rate, I do think that what had initially struck me as similar was the interplay between the rose and the myrrh (which I definitely get from both fragrances).
PR is certainly well worth trying. I easily worked my way through a 2.5 ml decant, though I'm not quite moved to buy a bottle of it.
Unfortunately, I've never tried Domenico Caraceni, so I can't comment on how PR compares to it.