Our church uses Church Community Builder, which has a WP plugin (you can find it here: http://ccbpress.com/) What I want to know before we possibly purchase this theme (which I like very much for what I can see it can do in the demo) is whether it will work well with CCBpress. CCBpress would basically replace this theme's native events display, for one. I know we'd at least do that.
We haven't tested this plug-in and cannot say if it works without any issues. Minimum you will need to style it it to fit the theme design but it may also require customization to make it work properly with the theme.