That sounds like a big Martini - does that make you fall over afterwards Simon?
I usually go with 2oz (60ml) of gin or vodka (current faves for Martini are Sipsmith vodka or Gordons Export), 10ml of Noilly and either a couple of olives or a twist. Stirred if gin, shaken if vodka. Glasses are chilled with ice cubes and water.
I keep meaning to try a bottle of Lillet Blanc.