LED bulbs can save you about $20 per year per bulb. A 60-watt-equivalent LED bulb uses between 8 and 11 watts, or roughly 13 percent of the energy of a 60-watt incandescent bulb.
Moreover, LED costs are coming down every year.
The best LED light bulb: Cree 60W Equivalent Soft White A19 Dimmable LED (on the affordable range of LED prices, big dimming range, high CRI of 85)
The second best LED light bulb: Philips 60W Equivalent Soft White A19 Dimmable LED with Warm Glow (same quality as top model onlky a biyt higher price)
The best 40-watt equivalent LED light bulb: Cree 40W Equivalent Soft White A19 Dimmable LED (cheap and energy-efficient, CRI 85, dynamic dimming range)