The best replacement for component cables is hdmi.

The best alternatives to component cables are rated as following:
★★★★★  hdmi
★★★★  composite cables
★★★  s-video
★★★  rca
★★  composite
★★  hdmi cable
★★  rca cables
★  hdmi cables
★  av cables
★  s video
  audio video cables
  dvi cables
  vga cables
  hdmi for hd
  audio cables

Your alternative for component cables is not listed? Suggest!
Speaking about component cables, one probably shouldn't forget about ps2.

Other search terms related to component cables and their ratings are:
★★★★★ ps2
★★ blue ray
★★ 1080i
You have in mind a companion for component cables and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of component cables in all years. Click on graph for more.
component cables
hdmi
composite cables