It looks like the site takes credit cards. That offers a bit more protection than sending a BTC payment. Besides... it's 2:20AM in Boston (if that's truly where they are located)... they are asleep. Contact them in about 6 hours and check on your order.
The scammers are always available to new victims! I have just tried to communicate with them! When they think I am a new customer then are happy to respond, but when they realize I am asking about my real order they either do not respond at all OR say "we are busy now , send us email"..
Try it yourself if you have some free time, here the DAMN SCAMMERS are:
https://bostonbtcminers.us/