Xbox One Elite-Wireless Controller AU $147.99 Delivered @ Mighty Ape Australia eBay

Not the best price it's been but pretty good if you're after 1 delivered.

Mightyape description:

100% official Microsoft product Get pro-level precision with the Xbox Elite Wireless Controller, featuring an arsenal of swappable components, Hair Trigger Locks, and limitless customization with an easy-to-use app. Choose from a variety of thumbsticks, D-pads, and paddles for a tailored feel that provides game-changing accuracy and speed. Flip the Hair Trigger Locks to fire faster. Improve your control with interchangeable paddles and rubberized diamond grip. Designed to meet the needs of today's competitive gamers, the Xbox Elite Wireless Controller brings it all together with an app, where you can tweak everything from trigger sensitivity to button mapping. Features: Swap thumbsticks and D-pads for game-changing accuracy and speed Fire faster with Hair Trigger Locks Achieve greater control with interchangeable paddles and rubberized diamond grip Customize your experience further with an easy-to-use app The Xbox Elite Wireless Controller comes with a carrying case and variety of interchangeable components. In the box, you'll find: Xbox Elite Wireless Controller Carrying case Set of 4 paddles Set of 6 thumbsticks: standard (2), tall (2), and domed (2) Set of 2 D-pads: faceted and standard USB cable AA batteries Quick Setup Guide and Product Manual System requirements For use with Xbox One systems and PCs running Windows 7 or later. PC use requires use of included USB cable or Wireless Adapter (available Holiday 2015). Drivers available at xbox.com/xboxone/PC-controller. Xbox Accessories App requirements: Available on Xbox One and Windows 10 PCs. Audio: Includes 3.5mm stereo headset jack. Also compatible with the Xbox One Stereo Headset Adapter and all other 1st party Xbox One controller accessories. Haptic feedback: Features Impulse Triggers* and rumble motorts. Motor control can be adjusted in the App. Weight: 348g (+/- 15g) when using with 4 paddles, faceted D-pad, AA batteries and standard thumbsticks attached. Connectivity Wireless, or wired using included 9' USB cable. Data transfers through the USB cable when connected to the controller and console/PC Thumbstick control: Included in the Xbox Elite App is the option to swap thumbstick inputs so that the left thumbstick controls the right thumbstick input and vice versa. Thumbstick direction inputs can also be reassigned. (e.g. up is down and down is up, etc.) Batteries: (2) AA (included). Compatible with Xbox One Play & Charge Kit (sold separately).

Original 20% off at selected sellers eBay Post

In short (credit to @silverrat23)

Extra 4 buttons on back (in shape of paddles)
Aluminium parts, as opposed to the all-plastic regular controller.
Interchangeable D-Pad and Thumbsticks. Extra thumbsticks included (extra height, etc.)
Trigger locks - shortens the distance of fully depressing the triggers (great for shooters).
Ability to re-map buttons ("A" button set to "Right Trigger" for example) and set profiles.