Automattic announced the launch of WordPress.com Enterprise today. It costs $500 per site per month.
According to the company, you can scale your traffic as your content goes viral, and it can handle it. WordPress' network does handle 100s of millions of pageviews each day.
The offering comes with all of the built-in WordPress.com VIP features, including over 70 plugins, including integrations with Flipboard, Chartbeat, Facebook, etc.
Automattic has worked with Tim Ferriss’ The 4-Hour Chef, ESPN’s Digital and Print Products, Soleil Moon Frye’s Moonfrye.com, and The Crosby Press from JackThreads for the beta.