The best replacement for zune hd is ipod touch.

The best alternatives to zune hd are rated as following:
★★★★★  ipod touch
★★★  ipod
★  ipod touch 4g
★  zune
★  itouch
★  ipod touch 2010
★  ipod nano
  ipod classic
  cowon s9
  apple ipod touch
  cowon j3
  ipod touch 4
  ipod touch 4th gen
  ipod touch 3rd gen
  samsung galaxy player
  ipod touch 3g
  zune 120
  ipod 4g
  samsung p3
  apple ipod
  zune 80
  archos 32
  zii egg

Your alternative for zune hd is not listed? Suggest!
Speaking about zune hd, one probably shouldn't forget about windows media player.

Other search terms related to zune hd and their ratings are:

★★★★★ windows media player
You have in mind a companion for zune hd and it is not yet here? Propose!

Google Trends

Scale is based on the average worldwide traffic of zune hd in all years. Click on graph for more.
zune hd
ipod touch