Another fuzzy freaky area for me: How will one implement the remapping of an object from on to another specialist? Say I have Requesters (Customer's with service requests) specialist that I want to map to Customers Should I still set up a rack and set it's storage to the Customer ZClass and add a skinscript method to copy attributes from the Customer specialist? or Should I simply write a method for Requester, getRequester, which asks the Customers specialist for a Customer. Another question: If I pass an attribute that is not registered with any attributeproviders in a manage_changeProperties call to the object's propertysheet, will that attribute automatically be added on top of the object? Should one explicitly call manage_addProperty? Roché