As shown in the video below, when trying to manage a large pipeline of project estimates, when you need to drag planned work onto actual named resources, the current interface is too cluttered to make this easy.

It'd be ideal to be able to filter unassigned work categories as well as resources to drill down to the exact view of "what needs to be done" vs "people able to do it".

https://drive.google.com/open?id=0B8Pzsm9-968KRkxZY2ZuTWlid1k