Words fail me...
Kay, that URL is now pointing to some other website not even running WordPress.
This is the cached version of your page (less the CSS)
Either your DNS entry got borked or the server you are running on is shared and another virtual host is picking up the phone and answering requests.
Either way talk to your service provider, your domain registrar/DNS provider, or both. The serial number from your domain's SOA record is 2008121601, which usually means someone updated your domain Dec 16, 2008.