The best replacement for nook tablet is nook color.

The best alternatives to nook tablet are rated as following:
★★★★★  nook color
★★★★  kindle fire
★★★  nook hd
★★  kindle fire hd
★  kindle fire specs
★  fire
★  color
★  kindle fire 2012
  kindle tablet
  simple touch
  kindle fire comparison
  kindle fire tablet
  amazon fire
  blackberry playbook
  htc flyer

Your alternative for nook tablet is not listed? Suggest!
Speaking about nook tablet, one probably shouldn't forget about android market.

Other search terms related to nook tablet and their ratings are:
★★★★★ android market
You have in mind a companion for nook tablet and it is not yet here? Propose!



Google Trends

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