The best replacement for leds is cfls.

The best alternatives to leds are rated as following:
★★★★★  cfls
★★★  lcds
★★  metal halides
★★  hids
★  leads
★  neons
★  sloan leds
★  led's
  cathodes
  lasers
  plasmas
  t5s
  light bulbs
  cold cathode
  halogens

Your alternative for leds is not listed? Suggest!
Speaking about leds, one probably shouldn't forget about resistors.

Other search terms related to leds and their ratings are:
★★★★★ resistors
★★★ built in resistors
★ integrated resistors
internal resistors
built in load resistors
You have in mind a companion for leds and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of leds in all years. Click on graph for more.
leds
cfls
lcds