This site has been shut down and some of the information moved to the site. While some of the information is free on that site, the majority is only available to subscribers. There are four subscriptions available for purchase at that site.  Three are site subscriptions and one is for sqlExports.  Below is a breakdown of the subscriptions:

Overview and FAQ -
Pricing Guide -
How to Order or Renew -

Full Site Subscription - access to premium reports, downloads, and support

Partial Site Subscriptions

For those who aren't interested in the full site subscription, there are options to just purchase parts of it:

sqlExports Subscription
- only self-hosted customers will be allowed to purchase the sqlExports subscription