Just “rediscovered” the WordPress plugin called Livecalendar. This is a drop-in replacement for WordPress’ in-built calendar. Livecalendar is a cool AJAX-ified plugin for :wp: and allows for calendar navigation without refreshing the entire page. Note that for the current version (v. 1.8.5) there is a small bug which prevents it from displaying the links correctly when you have installed WordPress in a subdirectory while your blog is placed in the root instead (i.e. when WordPress address and Blog address of the General Options are different). However here is a well-documented fix for it for those who may need it!
* I had actually used this plugin before but decided it was just too slow for me at the time, but everything seems OK for now.