at a first-glimpse, it looks like you want something like
http://www.data-recovery-software.net/">r-studio or
http://www.ontrack.com/easyrecoveryprofessional/">easy recovery (but hopefully you can find a shareware/freeware version) that will recover files from dead partitions.
i *think* that Partition Magic has an "undelete" function, too. however, i am not sure if the partition would have to have been first deleted with PM in order for it to be able to be deleted.
upon further reading, it looks like there is a utility called "Disk Probe" in the Windows NT resource kit that might help out.
just a quick heads-up: if you're going to try to download a shareware or demo version of disk-util software, just be aware that most of them limit it somehow. for example, by limiting the size of the files you can restore, or by totally disabling any actions other than checking if you *could* restore files if you had the full version.
good luck!