I think they're just testing the site serves and all the technical stuff before the site goes live. I'd rather be using a site that works properly and to make a good quality site they need time and I think it would be no easy task try to shift just under 1,000,000 photos, all the forum data to a new server, user data, make the site secure, user friendly and have all the features requested by users, how hard would that be! The web developer is doing a magnificent job!
Also, "www2" means that the site is working off two servers. I do feel that there is a major lack of communication, it would be nice to hear how the building and testing of the new site is coming along
Kind Regards,
Cody