Originally Posted by jpitts78

I am wondering if it is possible at all to do this:

Basically, have users sign into an area with a pre-assigned usernames and passwords.

Yes, this can be achieved by the use of pre-assigned usernames and passwords. (see pasword protecting)

Some areas are viewable by all,

Yes, use the public part of your website

but they have access to their own "area" where they can view their own information, view additional info pretaining to them, download user specific documents, upload information to an agenda/calendar of their own, have a place to order their business supplies.

Yes, same answer as in my first reply line

It will be a long the lines of having a consultant's "homepage" within my site.

Hope this makes sense?