I put up a demo several hours after this comment. If you're still interested, you can find this on the http://church.io website.

1. As for service times, the software doesn't really have any calendaring feature at the moment. Besides, that seems like maybe something that would go on the main church website (this is meant more as a private "members only" area).

2. Anyone can post news on the site (or you can restrict to only admins).