The following resources were originally a part of the Platinum collection but now available only with the Portfolio according to the L4 comparison chart. There may be others however I've noticed these. Are the collections still being tweaked?
Collection: Ministry - Resource: Church Administration: Effective Leadership for Ministry
Collection: Theology - Resources: Ground and Grammar of Theology; Reordering Nature: Theology, Society and the New
Genetics; Pannenberg's Systematic Theology (3 Vols)
Warren