After working with the new CLI and Studio for a while, and being member of multiple organizations I've found it very cumbersome to switch between them.
On the website is a matter of selecting a different organization in the dropdown, but in Studio or CLI there is no such option.
For CLI, you have to run appc login or appc login -o <id> if you know the ID by hart. In both cases, you need to enter your username and password again.
The preferred solution would be to be able to do: