The only hardware shown on-stage during Sony's PlayStation 4 event was the retooled DualShock controller, the DualShock 4.

ENGADGET

"We're preparing for what we call level three flood operations, which is the major flood event, " a regional State Emergency Service operations controller, Darren Winkler, told ABC.

BBC: Queensland floods: Recovery will be 'hell of a job'

Looks like Nintendo didn't want to wait for its proper E3 press conference to spill some Wii U details early -- it just used its preview event to show the finished version of the Wii U controller, called the Gamepad, as well as a TV remote app.

ENGADGET: Nintendo shows final Wii U Gamepad, TV remote app (update: video)

Sony's expected to show the PlayStation 3's successor at a New York City event next Wednesday, February 20th, wherein a new version of the company's classic DualShock controller is expected to be unveiled.

ENGADGET: Take a look at the next PlayStation's prototype controller (update: second photo)