Nope.

Cleaned cache in Firefox. Deleted saved internet files in Windows accessories/system tools/disk cleanup. Still gives me a 404.
I even tried viewing it under IE rather than Firefox with cache completely disabled.
My machine is a fresh install of windows (2 days ago) with SP2 etc and only a virus checker, zonealarm firewall and spybot search and destroy installed so I can't see that anything my end would be interfering.
Does the board have access permissions for an ordinary user (me)? You are listed as support and if this usergroup has different access permissions then maybe that is why you can see it and I cant?