I found this in another thread so I guess I am going to try this:
Brendan_Cassidy
You are limited to the view types that revit gives you, but as a work around add a new parameter and set this parameter to what you want for each view(working/internal/etc/etc). You can also set this via a view template.).
Then in your browser organisation you tell it to group by this parameter as a sub filter after view type.