They're sort of out? I can get them in Canada, but didn't see them on any US sites.

I thought that about Cook as well, watching the first time. Now I think he might be more like Pilot on Moya, attached the the ship but not the same. He does refer to the Providence in the third person a lot.

It is pretty much following the Hercules and Xena school of historical accuracy, isn't it? :D