Action features started appearing in our figures since 1999 when the Deluxe Figures Hasbro offered for Qui-Gon, Obi-Wan, and Darth Maul, featured lightsaber moves you could activate with a button on their back.
In favor of the features, the button was unobtrusive and the sculpts offered some cool though pre-posed sculpts of the main combatants.
To be sure though, the figures' articulation and balance to stand on their own saw sacrafice.
In 2002, action features hit as the standard for all Collection 1 figures.
Kit Fisto had the least visible snap-back lightsaber swing, while R2D2 had real lights and sounds.
The Force could be accessed through magnets, while many figures had quick-draw features, spring loaded weapons, and Anakin even had a lightsaber that extended out of a hilt molded to his arm.
The Destroyer Droid blew apart and could be reassembled with battle damage, while Count Dooku had lightsaber moves and Yoda could levitate himself in battle.
Now it appears that Mace Windu will be offered with an action feature knob that plugs into his back, and might be larger than his entire torso.
These action features are so diverse, that they are almost uncomparable to each other. Some work, others do not.
Please think of your favorite figures with these kinds of added features, and vote for the style which is the most OK by you. Then let's discuss it as we look towards the 2003 action figure line.