I tried to call the phone number listed in mybitcoin.com's whois file and found out it's disconnected.
They absconded with our Bitcoins.
The pain and suffering introduced into the world by Mybitcoin.com will be returned to Tom Williams-operator of Mybitcoin.com-by God. We will be avenged seven fold.Seems like it, their site appears to be down.
How much bitcoin did they hold to make it worth running away?
They were one of the original sites for the community.