Project 2010: Introducing AutoFilter

Sorting: Depending on the type of field, you can sort alphabetically, numerically, or chronologically.
Group By: You can select to group explicitly on the field, or group on an interval specific to the field type. For example, for date fields this looks like:
If you aren’t sure why to use group by, check out this post.
Filters: While you can easily use the checkboxes to select which values to display, the filter flyout allows you to do this more quickly based on the selected criteria.
Date Fields:                    Duration Fields:
 
Checkboxes: These allow you to select which values to display by simply checking/un-checking the values. For example, if I uncheck October then none of the task that start in October will be displayed.