what do you use for disk defragging and scanning?

[toph99]

i'm seriously starting to wonder about Norton's ability to do this without screwing up my data, and the window's defragmenter doens't sort files afaik(using win2k in NTFS) so what do the rest of you use?

 

[ILikeSprite]

window's defragmenter

 

[Random Variable]

diskeeper is the best