My team use Rhino Mocks at work, and as a Moq fan, one of my most missed features is the ability to access invocation arguments when returning a value. For example:
Rhino lacks this feature out of the box. It is possible, but pretty ugly:
Today I wrote some quick extensions for Rhino to make it behave a bit more like Moq.
Grab them here: RhinoExtensions.cs