debugfs http://www.netsec.si/tutorials/debugfs.html
If the disk is not very full and the files are small and easily identifiable you might try foremost.sf.net or the Coroner's Toolkit (http://www.porcupine.org/forensics/tct.html) Matt -- SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html
