New plugins
Jetpack supercharges your self-hosted WordPress site with the awesome cloud power of WordPress.com.
jQuery Vertical Mega Menu can handle multiple vertical mega menus per page, offers 3 different animation effects and speeds for displaying the mega menu and can select the flyout direction – left or right.
Updated plugins
OSM displays maps in your WP-blog using the OpenLayers technology – no API key is needed.
Taxonomy Drill-Down is a plugin that lets you make use of the advanced taxonomy querying capabilities introduced in WordPress 3.1.
I must try Jetpack, it seems to have so much great features. Thanks for the intro