Paragon Total Defrag 2010 allows you:
1. Perform a complete low-level defragmentation that provides almost zero fragmentation level.
2. Speed up and optimize all critical system files and metadata including MFT (Master File Table), directories, paging files, registry hives and others.
The program supports Windows 7, Vista and XP. You can download Paragon Total Defrag 2010 absolutely free (Until Nov 29, 2009)