I've suggested in the post that something along the lines "we do not react to Do Not Track signals" may be a start. It's hard to tell what will be a standard down the road. If you do honor those signals though, a more thorough description will be in order.
Also note that (6) sets out slightly stricter standards regarding disclosure:
(6) Disclose whether other parties may collect personally identifiable information about an individual consumer’s online activities over time and across different Web sites when a consumer uses the operator’s Web site or service.
If you support it: "We support the Do Not Track browser setting. Do Not Track (or DNT) is a preference you can set in your browser to let the websites you visit know that you do not want them collecting certain information about you."
Also note that (6) sets out slightly stricter standards regarding disclosure:
(6) Disclose whether other parties may collect personally identifiable information about an individual consumer’s online activities over time and across different Web sites when a consumer uses the operator’s Web site or service.