With a multitude of changes to the cars, it promises to be one of the most unpredictable seasons of recent times.
F1's new rules are "just what the doctor ordered", even if rival teams have become more competitive, says Toto Wolff.
Major regulation changes mean F1 cars will look very different when they line up on the grid in Australia this weekend.
Bernie Ecclestone bites back: "I'm a firefighter... if there was no fires I'd light some... I might have to light some more".
Hamilton and Mercedes will dominate, predicts F1 pundit Alan Baldwin, but keep an eye on Ferrari and Red Bull.
Speculation is that McLaren has sounded out former engine partner Mercedes over a possible future supply deal.
Paddy Lowe has joined the Williams F1 team from Merc with immediate effect as chief technical officer and shareholder.
"Any attempt by Formula One to turn back the clock and return to V8 or V10 engines would be unacceptable."
Team bracing for tough start to F1 season but talk of the former champion being in 'crisis' is overblown