You folks would need to get a grasp of how Terminal Services/Remote Desktop works on Server2003/2008 to see how this is supposed to be used.
Do some research, look up thin clients, etc. etc. This is a hack, yes, but it is a Server 2003/2008 hack and Terminal Services is a services on those servers that allows many people to connect to one machine. Why?
Say you hire a CPA, rather than them coming to your office, you could create an account on your server (called CPA) and email them the RDP client (which can also be downloaded as well, even for Mac)
When they log onto your Terminal Server they can have a uniformed experience to your resources. Mapped drives, Office, Adobe, Quickbooks, etc. etc. When they are done or you need them gone, disable their account, they cannot get in.
RDP uses very high encryption.
Can be used in conjunction with a VPN but not necessary.
No need to mail someone a laptop or setup workstations for each person.
Updates and application versions are all universally the same and deployed on the system.
Group policies can limit access.
You can lock down a terminal server to limit what users can do.
They can remote print to the internal company printer or their home.
With 3rd party programs like TSScan and RemoteScan they can scan as well with their client scanner.
As you can see the possibilities are endless, but most home users would never need this much flexibility.