A few people on the microsoft.public.windows.server.update_services newsgroup mentioned concern over a flood of ATI Radeon Graphic Card updates. There were close to 4000 sync'ed recently to their WSUS 3 and WSUS 2 servers, and there was worry that something strange had happened.
Short answer: It's fine, though unpleasant to look at.
Here's some more background, partially from Bobbie Harder and with additional material from the rest of the product team. We'll give you the technical backgrounder, and then some tips and tricks for dealing with large numbers of items in the UI.
As a reminder, the newsgroups are really the best place to discuss issues, provide feedback, and get help from the community and MVPs. Responses to blog posts are occasionally read, but eventually get drowned in automated spam.
Graphics Card, Video Card, GPUs, ATI, Radeon, Graphic Card updates, WSUS