Ok thanks!
What (maybe) could be added is a parameter that can tell whether the 'slowdown' is still in progress.
For instance i set 3 servo's in a batch to position 180 at a speed of 2 it will take a while before they reach this.
If i could tell the 'servo lib' that i started this batch it can monitor the slowdown on some kind of boolean that is set to false when i started the batch - when all parameters reached there final 180 state the boolean is set to true.
This way a second batch can be started and my robot can move a bit less choppy.
Is something like that possible? This way timing is still possible without potmeters or readnig the state of the servo's.