When I browse to a question page, one of the requests doesn't complete as times out after 2 minutes. Looking at the source it looks like it's a
For instance for question: Is svn global ignore recursive?
The request to: http://stackoverflow.com/posts/7599489/ivc/c30c times out after 2 mins.
I happens on all my browsers (IE8, FF 7.01, Chrome 14).
Note: We have a very strict proxy here which tries to strip out ads, spam and social networking sites.
EDIT: I have attached a screenshot from Firebug of the offending request: