That sounds like an incredible project! I can't wait to see it finished. If this is 'only one of several churches in one part of the landscape' the whole thing must get huge.
This first part looks great, the 1x1 rounds technique looks great on the church, and the landscape is also very realistic and detailed.
I have one suggestion though, some small windows or a little tower on the roof would make the big black survice look more interesting, it looks very plain now compaired to the rest of the MOC.
Have you ever thought about attending LEGO Fanwelt
It's the biggest AFOL targeted event in Europe, and as you can see there were some awesome creations displayed last year. It is held again this year in November, and i can probably attend it and plan to take a castle display with me. It would be really cool if you could come with your camelot project, and we could maybe combine our landscapes.