I love Wordle, and was just dying to use it to compare the two speeches.
They turned out great, and basically say it all...
If you want to try it yourself, definitely check out WWW.WORDLE.NET
Clouds below the fold....
UPDATE: sorry - didn't know that this was already done in a comment on a previous diary. h/t to whoisjohngalt
Obama's speech:
Cheney's speech: