No real update, all I've done is added additional instructions on how to create a widget for the CMS and how to add more than one countdown to the OP.
Another thing that can be done using the code is creating more than one countdown on your forum index page (forumhome).
By creating a table, using the basic countdown code and calling countdownX, countdownY and countdownZ I've been able to create 3 separate countdowns. (see attached)
Live demo -
http://www.forumbanter.com/forum/