I have always preferred the Microsoft Office Project Server Unleashed books but they can be a little more on the technical side and are great for Project Administrator’s.
I did see a OnDemand Project 2010 Certification training that was sent out to MPUG users that may be worth checking out.
First ever fully validated on-demand training for Microsoft Project 2010 MCTS Exam 70-178 allows professionals to self-pace their Microsoft Project 2010 certification learning. PMPs earn 21 PDUs!