Multiple Projects in a "Workspace" view
 

One cool feature that OmniPlan might benefit from is the ability to create a "Workspace" that consists of a grouping of Project files. As projects are completed, you remove the Project from the "Workspace" view and archive the Project file for later reference.

I saw this while reviewing this product:
[url]http://www.conceptdraw.com/en/products/project/[/url]

[QUOTE]One cool feature that OmniPlan might benefit from is the ability to create a "Workspace" that consists of a grouping of Project files. As projects are completed, you remove the Project from the "Workspace" view and archive the Project file for later reference.[/QUOTE]

We have a similar feature request for this in our database so I'll add another vote to it for you. :-)