It would be great if one could save a snapshot of the current open panes. Switching from one to another "context" would be much easier.
David Rees commented
I think the new workspaces functionality may cover this - https://www.moo.do/blog/workspaces/
Dimitrios Spirou commented
Also different panes should be allowed for diferent sesions of the same user (e.g. home computer, work computer, laptop, tablet etc)