Although ICANN's comment period is closed, it's still not too late to act. Find every article or blogpost about .xxx you can on the major domaining news sites and post comments.
example:
http://domainnamewire.com/2010/09/22...-form-letters/ If Lawley thinks it's useful to post there (you know he's a very busy busy man

), it's useful for us to post there as well.