Your average 8 year old is not going to care. (Edit, I didn't mean to sound stand offish, but they wont). Now this always stands out to me as "whyyyyyyyy?"
It is for sure! I really love the layer "add" (+) function. It makes drawing lights and glows easy as never before. Or brush #8 for clouds, trees, mud and laser tunnel ;)
If you get the projection kinks ironed out ahead of time with a normal map there's no reason why you couldn't just aim for an 8 hour bake and sleep through it.
I'm not sure, it's not a church, but it could be Shepeiro's bathhouse? http://boards.polycount.net/showthread.php?t=55667&page=8 Seems to fit the description. And it kicks ass. http://www.vimeo.com/2688739
Kylie the Husky, And new puppy Camden. He is 8 weeks old and just came home last week for my birthday. They are slowly working out their dominance issues :)