Ask HN: Content filtering App

I work up early this morning and began working on an app that filters content(images/ads/iframes/flash/profanity ..) selectively from websites. There is a central web dashboard which allows you to customize settings for specific websites/domains. i.e. www.techcrunch.com could be selected to have ads & images turned off.

Essentially when you visit techcrunch you'll get a clean version of the site with no images/ads.

It's gonna initially be a ff extension or gmonkey script.

Would anyone use this? It going to work in a fashion similar to google safe-search. Locked for a browser by a central account tied to your IP address with some cookie-work.

suggestions please!