I find it's tart acidity the perfect foil to follow a full English with, cutting through any lingering grease with a pleasing citrus edge. Jam is for girls.
I quite like ginger marmalade as well as the normal orange one. Sometimes, when I have duck, I cheat and use marmalade as a base for the orange sauce and add orange juice to it.
I am newly converted to marmalde, don't do jam. My favourite being Chivers Breakfast, and just recently Frank Coopers No matter how much I try I cannot bring myself to eat honey though, it's the last food I have to conquer