As well as NonHackerNews.com, there's some other slinkset sites that might be worth visiting.

Infosec Update - http://news.mandalorian.com is an Information Security Slinkset-powered site.

Just Hack It - http://www.justhackit.com is a good example of a general site.

iPhone Lockergnome - http://iphone.lockergnome.com/ is a good example of slinkset's RSS feed in use.