This one does:
-Catalogs fixed and removable media
-FAST search through catalogs
-Directory listings
-Find duplicate or unique files
-Single 56 kbytes file,no install needed
Homepage: http://www.mtg.sk/rva
Download link: http://rvas.webzdarma.cz/Cathy.zip
Companion command line app to make catalogs from batch: http://rvas.webzdarma.cz/CathyCmd.zip