Many clients, ourselves included, store client communications & documents in a Defined Folder Structure,
 
For example:   X:\AllDocs\Client\ABC-Company, or X:\AllDocs\Prospect\SampleCo
 
There is a problem however when ABC-Company is acquired by SampleCo, or is renamed,  etc.  
In that case, it's incredible difficult to change the paths stored in Act! document links. 
( In our case for example, we have client relationships and ACT data/documents going back almost 20 years - and MANY name changes that have to be processed manually) 
 
IDEA:
Allow paths to document folders to be set based on the content of certain Contact or Company fields, as in:
Default path =  X: \ AllDocs \ %id_status% \ %company% \ or
Default Path = X: \ AllDocs \ %client_code% \
 
 
Alternatively, (pickup up on Jeff's idea here), place a shortcut to the client folder in the documents tab - but allow the shortcut to be based on variables, if defined in the preferences.
 

LuisR