I was building my first sequence, and saw that if a tapper wizard was introduced, it would take a lot of the work out of adding the timings to a new sequence. Right now its pretty easy, but adding this feature would make it even easier. Right now, you have to make sure that you don't highlight over a previous timed part of the sequence, and then stretch out the time window to match up to the end of the previous.
If a wizard was added, you could start the wizard, play the sequence, and each tap would show a contiguous time with timing ticks for each time the mouse was clicked, or the space bar pressed.