You could try Spinrite. GRC*|*SpinRite 5.0 to 6.0**
I have never used it but the reviews are almost miraculous. (Please post your experience if you try it.)
If you can boot from another drive or from a liveCD and mount the partition on your busted drive it is unlikely that copying the data off it will cause more dammage.
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Companion - E8400 - P5K SE - EN8600GT SILENT - 2x1G Ballistix (POS) - WD250 - X241W
Server - Q6600 - P5E WS Pro - EAH3450 - 4X2G Redline - WD250 - Pioneer DVD-212
On the shelf - P5N32-E SLI - BFG 8800GTS 640M OC2 - Ballistix 2x1G 8500 4-4-4-12 - X-Fi Fatal1ty - 1xWD 150 Raptor |