When I visited this site (first of march 2011) it shows information about the port hills, specifically Castle Rock, after the earthquake. No malware found by scanners, no pop ups/unders. To recieve any emails from this site you have to register so its not spam its something you signed up for.
This is the home page of the New Zealand Alpine Club. If you are after information on any form of climbing in New Zealand/Aotearoa then this is the site. No spam, malware or anything of the type. Child friendly.