Well I still personally dont like visual editors like this because I think you spend too much time organising your diagram and they can easily get confusing to read.
One idea me and Ashley have been discussing is a 'wait until'...for example:
This could be represented in events as:
But yeah I'm not sure whats clearer, the events or the flowchart...I personally think it's easier to read the events. Its like 'ah okay so you press the trigger, the door opens, then you wait 5 seconds after its opened, and then it closes' whereas the flowchart its like where do you start reading from...