Example -

http://img524.imageshack.us/img524/95/errordi7.jpg

Its only appeared once or twice but I thought it'd be best to post it in case it was something up with the site..

odd, do you have like, that firefox extension that lets you view code, or an addon or something?

Nu uh.
Just basic fire fox.
No add ons.
well accept flash and java the basic stuff. =/

Yeah iv noticed it occasionally too so its not just you :)

What OS are you on? Windows or Mac? It works fine on Firefox for Windows for me.

windows vista premium 64bit,

That'd be caused most likely by the page not loading up all of the way, I'd guess. It's nothing serious...just refresh when that happens. If it happens a lot, then let me know. ;)