The Santa Claus World catalog was a Very Large file and it took some time to download so it has been split into a total of 6 catalogs. The catalogs are split in alphabetical order.
In the left column there is a line item "Santa Claus World Catalogs". Click on that link and select the catalog you wish to download. Also the Holiday Series updates have been moved to the Column on the left under the Heading "Holiday Series Catalog". Click on that link and select the update you wish to download.