I'm new to Ghost, so before I click "OK" --

What's the difference between making an image of a disk and making an image of a partition -- if you only have one partition on the disk? 

To be specific, I have XPPsp2 and my system drive is currently configured with one big partition.  Based on advice here, I'm using Ghost 2003, not Ghost 9.0.  I also thought it would be a good idea to back up before I started experimenting with partitioning schemes.  I suppose to be safe, I could just image the C:\ partition, but I was wondering what the difference is between these two operations.

Does Disk-->image create images of all the partitions on the disk?  Does it create one image per partition or one disk image that contains all the partitions?  When, if ever, would you use disk-->image?

some ideas for partitioning:

http://partition.radified.com/

i recommend partitioning a system drive so you have one partition containing only o/s & apps. no video, audio, gfx, or other large files, so your system drive stays small as possible, so you images stay small as possible.