X1, probably the best desktop search solution, is now free (although bundled with Y! Toolbar).

x1.com/about_us/release_06_06_ ...

<<GDS Has Some Competition>>
they sure do!
with the following softwares:

*MSN Desktop Search
(desktop.msn.com)

*Yahoo! Desktop Search
(desktop.yahoo.com)

*Copernic Desktop Search
(copernic.com/en/downloads/inde ...)