Fresh install of WP 3.5.1, network enabled.
Logged into WPMU DEV downloaded and installed the studio theme temporarily until the new design can be completed.
The expected and desired WPMU DEV Dashboard installation request made an appearance - installed without error.
Manage link shows correct membership details. Dashboard page displays my membership "welcome' including "elite" level membership.
Everything else is treating me a free user.
A humorous irony - the popup covering the premium plugins is cutoff by the window size... displaying "wpmudev members get: UPGRADE"