The latest ntfs-3g has been released and the developer(s) issued the following:
STABLE Version 1.2506 (May 6, 2008) -- Release Notes
Fix: In certain, rare circumstances, any area of the NTFS volume, except the NTFS boot sector, could get corrupted. The chance for this to happen is higher for close to full disk utilization and using one of the more uncommon, less than 4096 byte cluster sizes. The cluster size is logged under the /var/logs directory usually in the 'messages' or 'daemon.log' log file, as the blksize mount parameter. All stable releases have this issue since version 1.328. Upgrade is strongly recommended from all NTFS-3G releases.
Since many use ntfs-3g perhaps and update is necessary. I'll post a package request too.