The best replacement for cfls is leds.

The best alternatives to cfls are rated as following:
★★★★★  leds
  bulbs

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

Other search terms related to cfls and their ratings are:
★★★★★ dimmers
★★ dimmer switches
You have in mind a companion for cfls and it is not yet here? Propose!



Google Trends

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