I am going to start our group's first BR game (hopefully the first in a
long series) and I would like to
know from the experienced people around here which domain(s) is best to

If I remember correctly Roesene and Maedore are described in some details
in the Sourcebooks,
but if I choose one of them, then I suppose I loose one domain with a lot
of background that could interact with my

Also, at the moment I only own the Birthright Box. Are there any other
extensions or sourcebook that I should
really get my hands on? I suppose that when I finally decide on a domain I
should buy the corresponding
sourcebook, but again which ones are better.

Thanks for your help.