Disktrix UltimateDefrag no other defrag can do what it can do!
here is a snippet:
Some of the functionality includes: * Ability to defrag all metafiles and system files e.g. MFT, pagefile, USN ChangeJournal * Ability to place all metafiles and system files at any user-defined location on drive volume * Ability to sort order of metafiles and system files according to user preferences * Ability to specify MFT reserved space - particularly useful for XP where default reserved space is 12.5% of hard drive size. * Since the Vista & XP operating system are almost constantly interacting with the hard drive in the background - optimal placement of these files improves overall performance - especially so is the placement of MFT and page file in relation to most frequently used data..
Although I would say though Vopt would be my second choice probably!