Executive summary: if you want to play with a Bigdaddy data center, hit 66.249.93.104 instead of 64.233.179.104.

...this an update add to his Blog a few hours ago.

...just look at the difference between the two – totally new ALGOS

Thanks, I changed it. Where is Matt's update?

Oops, found it.
http://www.mattcutts.com/blog/bigdaddy-on-the-move/