By popular demand, the Latest Posts by Category Archive WordPress plugin has been updated to version 1.1 which currently includes the option to also display post dates, via hardcode or shortcodes.
Also, for WordPress 2.7+ users, a dashboard widget has been added that keeps track of the version in used and compares it to the most recent version available, for you to know when it’s time for a new update.
The updated plugin can be downloaded here.