Revison 1
Usage: cscript //nologo RandPass.vbs [password_length]|[?] [complexity] [uniqueness]

This script will generate a random password of X length. It will build the password from seed 'strings of increasing complexity.
1 - simple is the lower case alphabet, numbers 2-9 and !@#$%^&*() all randomly interspersed.
2 - complex is the same as the previous with the addition of UPPER case letters.
3 - insane is the same as the previous with the additional symbols of ,./?>;'[]}{\|~`:
The numbers 0 and 1 have been removed to avoid confusion with the letters O and L.

password_length should be a number between 4 and 127, although a limit of 14 is recommended for Win9x clients. Default is 7
complexity must be 1,2 or 3
uniqueness value of 0 will make each password character unique. A value of 1 [default] will allow repeated characters.

If you don't pass values at the command prompt, you will be prompted for each value.