Assume you have a book product you sell on your site, have a lively
discussion board with over 50K members, and a newsletter mailing list
(targeted, opt-in members) of over 500K. The whole operation is held
together under the umbrella of a very focused brand name.

There are several revenue streams of this brand/site. There is the
book itself, the ability to advertise on the boards, also you can rent
our your targeted list of 500K to other marketers who want to generate
leads in a similar business segment.

A bigger company would want can acquire your brand/site and integrate
into their company, or use their expertise to take the entire
operation to new heights.

How would such a brand/site be priced to sell? What variables would come into play?

(This of Myspace and some smaller type of media brands.)

Variables:

1.- Domain Name
2.- Links in technorati and del.icio.us
3.- Backlinks
4.- PageRank
5.- Traffic flow
6.- Design
7.- Generating income + website operating costs = profit income
8.- Location and accebility
9.- Visitor type
10.- Content

Visit this sites:

http://www.business-opportunities.biz/projects/how-much-is-your-blog-worth/

That's helpful, but I'm talking about an entire brand, not just a small website.

1 million members in a subscribed list (targeted, opt-in), a wide
audience consumer product with a price point of over $100 per unit,
and 50K active members in a community to start with...