now loads a page stating they are closed. EMail them and you get repeated info along with:

"WARNING: The website http://www.BTCcheap.com is NOT related to MU in
 anyway. ANY U.S based users using this Vietnamese website is subject
 to all regulations in your jurisdiction. It may be AGAINST THE LAW if
 you are located in the United States, even if you USE BITCOIN ONLY."

but more importantly

"A 100% BitCoin refund is being sent back to all users. U.S based users
 may take longer to receive a BitCoin refund. If your wallet was not
 compatible with our service you will NOT RECEIVE A REFUND."

We shall see if this guy was legit soon enough..