Agreed - I prefer the silver too, however IIRC, McLaren started racing in orange. Also, I don't think this is confirmed as the colours they will actually be racing in. I think this might just be the testing colours, although I'd be surprised if the colours they do race in aren't far away.
Yeah shrub is right, in 97 they went from the orangy/white to the new Merc colours. They tested the MP4/12 in orange to keep the new livery under wraps. Look like they are doing some thing similar this year.
A red McLaren LMAO now that would be one for the history books !!!