I agree with Josh. Weta is not Sideshow, they don't reveal paint-masters then disappoint. A lot of their photos on the site are factoty painted. I know from all my other Weta pieces, they very closely match the photos on the Weta site. My miniature Gandalf actually looks better than theirs.
Remember, Weta take professional photos. Josh's are just quick, outdoor snaps so they're going to look a lot more washed out.
Having said all that, I do agree on Balin having less red shading on his face, as I pointed out in the Balin thread. You can see the red better in my photos than Josh's but even in person, it's not on the same level as Weta's photos.