When we bought our G2s choosing the colour was the hardest part (apart from paying for them). Of the standard colours my wife and I both agreed that black was out, I liked white but she didn't, we both liked Borollo Red but it didn't match the decor of the room.
We drove around a few car showrooms looking at the paint colours, and eventually chose Mercedes Palladium Silver.
We've never regreted the colour choice, or buying the G2s.