Creating Uncrackable Passwords

Interesting article I found via digg today about Password Cracking and Recovery. It suggests that you put characters from all 5 of these rows in your passwords to increase the time it takes to get cracked.

0123456789
abcdefghijklmnopqrstuvwxyz
ABCDEFGHIJKLMNOPQRSTUVWXYZ
@#$%^&*()-_+=
~`[]{}|\:;'<>,.?/

While this is good advise, I personally use alt-characters in my passwords this almost makes it impossible to crack with todays current password cracking tools, here is a table that lists them all:

Here is the article that turned me on to using them from 2001

Continued Creating Uncrackable Passwords, Part 2