Best system is K.I.S.S Keep is simple stupid. (Common phrase)

Imagine thousands of installed items, and the time it would take tracking them. You'll using more time managing then actually using poser.

Use some organized multiple runtime system, by character catagory, or some such, and then just add or remove the runtimes as needed in poser. Possibly also use the new catagory system in P7 to enhance that.

Then remove runtimes, or add them as needed. And the more you use poser, the more you'll know where things are, and how they are used.

HD space is dirt cheap now, and continues to drop.. when you can get a 350 gig hd for less then $100, who cares how much space things take up?

This poor horse pops up and gets beaten every week, and there are plenty of solutions in the forums if you search for them.

Way too many people take way too many things way too seriously.