ASP.NET CMS

In need of an ASP.NET CMS with the following features: - Blogging - User authentication (with a grouping system consisting of User, Client and Staff) - Forums - Gallery - Contact Form/MailForm SQL preferred (preferably MySQL or Access) Will be used for a technical blogging community, and a media company website (primarily the latter). Frontpage should be the blog. Dynamic settings preferred (i.e. domain to be set via a string/variable or an SQL entry). Master Pages use preferred for easy customisation.