In the instance with dealing with a law environment, multiple instances on the same server would probably be a bad idea.  Using the firm I work for as an example, our...

Nevermind.  I answered my own question yet again.

I completely forgot about the SQLServer.Databases object.

For anyone who's interested...

oServer.Databases("myProgsDB").ExecuteImmediate "EXEC sp_addlogin 'NewLogin', 'password', myProgsDB"

oServer.ExecuteImmediate "GO"

That does it perfectly.