Not precisely. Lets say I select letters(lower) + numbers + "all unique characters" and limit the password to "12", the resulting string might come out like "y4dk9w6u1ti3". Which is cool but where are the letters a, o, and e? You see? I would like to simply
ensure that all vowels (a,e,i,o,u,y) will be present in the result regardless of other options that have been selected. Although you gave me an idea with that though. The checkbox could be set to
include OR
exclude vowels OR consonants! That would be even more powerful but probably a pain to set up since you have to figure out how to handle upper & lower case scenarios...

Oh, and before I forget, if that is too difficult or you don't find any use for it, I was also wondering if we could include special characters in passwords checkbox (e.g. €, Þ, ©)...