switch out the soon to be scarce incandescent bulbs with fluorescent or LED bulbs. there is now a lower wattage bulb for every old incandescent need. the market has exploded in the last few years. look hard enough and you can find the warm, dim-able, non buzzing and low watt bulb of your dreams. errr… am i the only one dreaming about light bulbs? huh.
in any case, this watt conversion kit always comes in handy: