One thing I'd like to say is that the most important thing in maintaining some kind of order in "poserville" is to be very organized. Space is essential but organization is a must! I've recently begun to create libraries of my own that I realize will be quite huge in a few months and massive in a year. The best way to make sure you get the most of your space is to be prepared. Here's what I do,

• Create a list of what you would definitely like to save.
• Create folders to place those items in that are in a logical manner, for example: Textures, Props, Figures, etc. rather than things like "Joeysdxfprops, zygotestuff, poserforumdownloads, etc. Names like that can be confusing and are really not neccessary since the full name may not show anyways on the folder.
• Once you've created your main folders you can then place subfolders within them, such as Textures/funstuff/pan.ware :) or Figures/zygote/new figures. Just don't get carried away.
• Make a 'tracking' system so that you don't have to go insane looking in EACH folder. Take the notepad app and make a special file marking it for example Folders 1-24 and then on the inside place Folder 1: Zygote props, zygote textures, zygote conformable clothing. etc. Folder 2: Funstuff downloads, props, etc. Then when you need to check up on a particular prop or other item you can simply look on your list and see where it is.
• last but not least...BE CONSISTENT! Name things the same and don't give any one file 50 names creating 50 versions of it. Like "Man Picking Nose" and Man Picking Nose2" and Man Picks booger V1a" You get it? Same consistent names help bring order and CUT down on extra versions that would take up space.

I'm sure there are better ways to organize out there but this seems to help me out...I store everything to zip disk and search it on my list. Soon I'll be upgrading to cd's and hopefully a better system for filing... hope that offered some help... PAN~