I saw a silver one for the first time yesterday and it looked well.
I'm not sure they suit the red and the blue is a bit common, don't knoe what colour I'd go for.
I quite like the red personally, even though it's the 'cheap' base colour
Whilst I do love Lapiz blue, it's fast becoming the equivalent of BMW's Estoril Blue. In other words, it stands out but is kinda the obvious choice if you're going for a Golf R. I think I'd take Limestone grey instead, understated but still very nice.