Harness the power of grep (grep is the way grownups find things in LInux/Unix).
Ported to Microsux and with a graphical frontend. Blows Windows Find outa the water.
http://www.wingrep.com/index.html
SCO delenda est!
PS: If you want the REAL THING ported to Winblows (free but no GUI) go to
http://www.steve.org.uk/Software/grep/ and download grep.zip - extract grep.exe and put it somewhere in your path.
Best to read the GNU grep manual at
http://www.gnu.org/software/grep/doc/