YOu can recover all or most of those lost files: GET DATA BACK. It is a wonderful and relatively inexpensive data recovery tool. It saved my butt after I installled XP on the wrong drive:
Not only did it get my files back but it put them back into the same folders!!!
Noli Nothis Permittere Te Terere!!
EVGA 680i, Dual EVGA 8800GT'S (650/950), 4 gigs OCZ DDR2 1066, Intel Q9450 at 3.8 Ghz, Koolance Water Cooled, Dual Plextor16x DL DVD+/-RW. Dual WD 250gb 16mb Cache Sata 3.0. 3DMark06 score = 19,168.