For information:
I use the following Explorers:
Microsoft Explorer 6 when I have to (about 5% of the time). To run online scans that only run with MSIE
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.3) Gecko/20070309 Firefox/2.0.0.3 (about 80% of the time)
Opera 9.2 (about 5% of the time)
Torpark (about 10% of the time) to listen to some broadcasts from a radio station in England where they can only broadcast to people in England. This tells the site that I am in England!!

Not really sure this applies to me as all the posts say that they have MSIE 7, I have 6

As for updates - I don’t have the latest MS updates (not since October)