Some interesting facts about 4.5w LED bulbs: Replacing 10 60w standard bulbs with LED's would save on average £14.96 per month. LED bulbs pay for themselves within 6 months. They last 20 times longer than halogen bulbs - LED 50,000 hrs, halogen 2,000 hours. They are perfect for kitchens, bathrooms and living areas and produce a 120 degree wide angle spread.
Not only would you be helping the planet and reducing your carbon footprint, but you would also be saving money.