For task light, pick one of these low-voltage strips or pucks.
XENON Accurate color, wide beam, and dimmable, but can get hot to the touch. Widely available at home centers and kitchen showrooms. $25–$125 for a 24-inch cabinet uninstalled
LED Energy-efficient, long-lasting bulbs; so thin you don't need much of a lip to hide fixtures. Can have a bluish tint unless rated at 3,500 or lower on the Kelvin scale. A new technology, so pricier and harder to source. $75–$190 for a 24-inch cabinet uninstalled