Copper Black Marans.

After months of thinking about keeping a few hens I was sort of given a push by agreeing to rehome a cockerel. He's a Copper black Marans and I've fallen completely in love with the breed because of him. After much searching I've managed to locate a breeder not too far away who has half a dozen CBM pullets for sale and I'm off to pick them up on Saturday. Is this a good breed to start with do you think? If I'm honest my initial thoughts were perhaps for a few hybrids or maybe a trio of RIRs, but circumstances sort of took over. Is there anything I should be aware of concerning this breed?

That's great, Foxy. Thanks. Good to know that they're hardy too as they're going to be kept on an exposed Northern allotment and I'll admit it was a worry. Their new house has been well constructed so should be nice and snug, but I wanted them to largely free range so hardiness is important. At the moment the cockerel is being kept in a small broody coop (with a run extension) that we borrowed as I had the idea that it would be best to put them all into the new house at the same time, is that the right thing to do?
I'm finding getting information on the breed to be quite difficult. I've googled, obviously, but the egg colour is so spectacular that it seems to be all anyone wants to talk about.
Thank you also for the tips for when I buy them... never thought I'd be examining a chicken's bum  .... at least, not without a packet of paxo at the ready.