Hi Keith
We've had a couple requests for Ted Green style markers so it's something we've got earmarked for a future version. However, we expect this to instigate requests to allow the X on every hollow marker shape. So it's potentially a bigger piece of work and we're looking into how we can best implement this.
Until then, you can already do this by using using the 'Custom Label' tool and entering and simply entering X as the label.Not quite as nice as the new X marker we have in the pipeline (spoilers) but an acceptable workaround perhaps
1 - First select any notes you want to set to a custom note marker by either holding the SHIFT key and selecting or individually using the Marquee tool
2 - Now press
CTRL+I to reveal the Note Inspector and change the
Label drop down to
Custom. Press ESC to close the Inspector
3 - Right-click one of the note markers which should still be in focus/selected and select
Set custom label from the menu
4 - Enter X into the text filed and click ok.
Hopefully that's something you can use in the interim.
Dean