My favourite is Neroli by Czech & Speake: It is formulated from oil of the flowers of the orange tree. I like the bitter orange accord. Napoleon was even purported to have worn a similar formula.
I learnt that Castile from the Penhaligon's range is similar, but I can't comment as I'm yet to sample.
L'anarchiste by Caron: The beauty of the mystery of Metallic oranges.