I’ll definitely be giving it a whirl.
Thanks for the mention. Appears the blog doesn't have textile formatting though so the link isn't clickable.
thxs Nathaniel, I have updated the markup.
There's a lighter non-engines version of this plugin that supports datetimes as well as dates available at http://svn.caboo.se/plugins/svn/atmos/calendar_date_selector
The non-engines version is useless. Engines are king.