ever wondered how you can repartition your hard drive without reformatting and/or reinstalling your apps ? then fret no more ... with gparted (gnome partition editor) a linux based live cd you can now do so ...
this can be used to move partitions with different filetype systems ranging from fat to ntfs to ext3 and beyond ...
you can read more of this stuff here -->
http://gparted.sourceforge.net/