What kind of site would be a good match for the Enterprise subscription?
If you invest more than $50,000 (approx. two half time employees) annually on the design, development, administration, and hosting of your Drupal site, you should protect your investment and maximize your return by having an Enterprise subscription. Most organizations using Drupal to power an online business, all or part of a corporate/organizational web site, or a large-scale internal application would fall into this category. The Enterprise subscription gives you 24X7 emergency coverage, telephone and email access to world-class Drupal expertise and services to eliminate development roadblocks and reduce the risk and impact of system downtime.