I would normally say it's your ISP, but apparantly you can still resolve that the website is actually here...

Suggestion: Temporarily try a different browser.

And shame on you if you're using IE6.

Opera: www.opera.com
Firefox: www.getfirefox.com
Mozilla: http://www.mozilla.org/products/mozilla1.x/ (Yes, that's right! Mozilla and Firefox are NOT the same thing! Don't include this part in the URL )
Netscape: http://browser.netscape.com/ns8/


Yawn.