The trademark spirals of CFLs are probably most distracting and out of place on elegant chandeliers. That's why manufacturers such as n:vision now make smaller decorative CFLs encased in frosted glass. With the less-attractive spiral of the bulb hidden, you can save energy without ruining the effect of the fixture. Many come with adapters to ensure a good fit.
N:vision's 3-watt candelabra, about $6.47, The Home Depot