Benefits:
- save time with extremely fast searches once your files have been indexes
- refine your searches using AND, OR, NOT operators
- search for terms with context using proximity searches
- detailed search results show you exactly which files and pages contain your search terms and the frequency
- avoid having to repeat your searches by recalling results from past searches
- create a PDF file containing your search results pages
- extract text, images, and more from your search results pages
More details here and a 14-day trial is available for download. A quick start guide here is available here.