For those of a photography persuasion, or alternatively those just looking for an escape clause from trick-or-treating, Samhuinn is running tonight from 9pm starting at Castle Hill.
http://www.edinburghguide.com/events/samhuinn
Weather permitting, I'll be heading up to the Royal Mile on my bike with the intention of making up for missing photo-taking excitement at Callendar a couple of weekends ago.