Thanks for the suggestion, Warren. What we're actually planning to do (coming soon in the beta) is allow you to grant access to Analysis Workspace (including Freeform Analysis) much as you would grant access to Ad Hoc Analysis or Report Builder. There will be a group (or a setting for groups) that allows you to expand this access beyond admins.
We'll consider doing something similar for future "public beta" features. Most of our beta testing happens in our beta environments where this is less of a need.