Comment 60 for bug 81858

http://digg.com/tech_news/Digg_This:_09-f9-11-02-9d-74-e3-5b-d8-41-56-c5-63-56-88-c0

Here's a better story to test with. Over 1500 comments and almost 40,000 diggs.

I'm thinking this is probably an HTML parser bug. With huge digg pages it's simply overloaded and locks up the UI until it's done.