Assuming that the eroica is a variant on the team pro, that's a great saddle. I understand (again maybe wrongly) that the cambium is some rubber thing, and hence not a traditional brooks, hence would not be my choice.
That said I have a Brooksian arse and the team pro is perfect for me but doesn't suit everyone, and I confess I not seen in the flesh, never mind sat on a Cambium
Hated the stock saddle that came with my bike (forget what it was). Bought a C17 standard Brooks in the belief that I was probably a Brooks type and not a racer of any kind, but there was no way to know until you try.
For me, it was sort of ok, but after about 1k miles it still didn't feel like an armchair, so I'm not really certain about that 'once they are broken in' thing, well, not in my experience anyway, can't speak for others.
Was bought a Cambium as a present and it's certainly more comfortable out of the box than the standard Brooks, thus I guess it is less of a love it or hate it saddle and as prof says, perhaps not really a proper Brooks at all. End of the day though it is still on the bike and is pretty comfortable, also there are none of the concerns about getting it wet (rain, not anything else :P).
I never loved the original Brooks nor indeed hated it. But that's only my experience.
