A black and red/orange McLaren would be awful. I hope they keep the chrome! That was a real colour innovation and is still awesome. Maybe Mercedes claimed the chrome colour from McLaren (or they made a deal: "you give me chrome colour and we give rebate on engine and KERS") to paint their new "silver-arrows". What a shame.
As far as I know orange is the traditional McLaren colour. But who wants to see a McLaren that looks like a Virgin...