The best replacement for kindle touch is kindle fire.

The best alternatives to kindle touch are rated as following:
★★★★★  kindle fire
★★★★★  nook
★★★★  nook touch
★★★★  kindle paperwhite
★★★  kindle keyboard
★★★  keyboard
★★★  kindle
★★★  fire
★★  paperwhite
★★  nook simple touch
★★  kindle 4
★  kindle touch 3g
★  paperwhite 2
★  paperwhite size
  kindle 5
  kobo touch
  kobo
  kindle 3
  sony ereader
  kindle dx

Your alternative for kindle touch is not listed? Suggest!
Speaking about kindle touch, one probably shouldn't forget about text to speech.

Other search terms related to kindle touch and their ratings are:
★★★★★ text to speech
You have in mind a companion for kindle touch and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of kindle touch in all years. Click on graph for more.
kindle touch
kindle fire
nook