...
re-form's BindableDomainObject class exposes an IBusinessObject interface and is based on DomainObject. You will probably use this class a lot. However, it should be noted, that you could write your own implementation for the IBusinessObject interface and mix YOUR IBusinessObject interface with DomainObject to arrive at a class MyBindableDomainObject. You don't depend on re-bind's BindableDomainObject. The method of re-motion mixinsmix are explained in Fabian Schmied's blog.