The library of Action particle presets expands to include many new presets in existing and new categories. You can use the particle presets as is, or as a starting point to explore particles and create custom effects.
A reference guide PDF of all existing and new particle presets is available online at: http://www.autodesk.com/flame-documentation-2010extension or http://www.autodesk.com/flare-documentation-2010extension.