Easy Post Order provides an intuitive sortable / draggable interface for custom-sorting your posts.
The new version includes fixes to support the new TwentyEleven theme.
NOW WITH CATEGORY SUPPORT! Easy Post Order uses WordPress's sortable / draggable interface to allow easy sorting of your posts and custom post types. The interface works very much like a Netflix queue and stores the orders in an unobtrusive custom table.
EPO is seamlessly integrated into the WP_Query model. Once you enable the plugin, you can use the EPO shortcode to insert your custom loops into pages.
EPO uses AJAX in database interaction.