Keep in mind, you get what you pay for in Data Recovery. If the files are important enough, and the free apps arent cutting it, then you can use the Paid Versions of these to at least scan and see if it is worth buying a license.....
Paid apps...
EasyRecovery DataRecovery - Trial Edition
http://www.ontrackdatarecovery.com/include/document.asp?file=http://download.ontrack.com/freedownloads/erdrt_610.exeGetDataBack for NTFS V3.32 Data Recovery Software
http://runtime.org/gdbnt.zipGetDataBack for FAT V3.32
http://runtime.org/gdb.zipSpinrite v6.0
http://www.grc.com/sr/spinrite.htmActive@ UNDELETE Recover deleted files on NTFS FAT32. Data ...
http://www.active-undelete.com/Free utilites
PC Inspector File Recovery - Credit nobus for this link
http://www.pcworld.com/downloads/file/fid,23069-order,1-page,1-c,utilities/description.html#FreeUndelete
http://www.officerecovery.com/freeundelete/And accessing the recovered files, you might need to take ownership of the files to gain access....
How to take ownership of a file or folder in Windows XP
http://support.microsoft.com/kb/308421