Didn't really know what section to place this in.
See attached video on adding/removing horses to/from a quick pick list. Updates with ABC of runners for either today or tomorrow.
Can be developed further, and if you have any ideas on how this could be utilised, please comment.
http://youtu.be/mmVoLSzfxSE(Ignore the first 50 secs, just getting used to the screen capture software).