What are some alternatives?
When comparing Everything and PowerGREP, you can also consider the following products
DocFetcher - DocFetcher is a portable German/English open source desktop search application.
AstroGrep - AstroGrep is A Microsoft Windows GUI File Searching (grep) utility.
Agent Ransack - Agent Ransack is a tool for finding files and information on your hard drive fast and efficiently.
RecentX - RecentX is an innovative launcher that gives you instant access to your files, folders, programs...
grep - grep is a command-line utility for searching plain-text data sets for lines matching a regular...
Locate32 - Locate32 is software which can be used to find files from your harddrives and other locations.