The best replacement for preview is acrobat.

The best alternatives to preview are rated as following:
★★★★★  acrobat
★★★★  adobe
★★★  review
★★★  adobe reader
★★★  skim
★★  trailer
★  grambling
★  adobe reader for mac
★  prevue
★  showing
★  consumer preview
★  acrobat reader
★  acrobat pro
  icaros
  thesis statement
  adobe acrobat
  reader
  windows 8 release preview
  acrobat mac
  overview
  barbri

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Speaking about preview, one probably shouldn't forget about audio after effects.

Other search terms related to preview and their ratings are:
★★★★★ audio after effects
★ file size
★ audio in after effects
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Google Trends

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preview
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