The popup should open pretty fast, depending on how fast you're max interface is... the rappatools buttons are standard with standard tooltips :)... so it should appear under 1 second...
You really think that organised collapsable tabs are slower then a wall of buttons? You keep open the tabs you need most often -> no slowdown Need another functions in another tab? -> 1 click more at most compared to wall of buttons. This kind of approach has many pros: - Looks and feels more intuitive - On average case…