i've used them, pretty sure ive just been scammed out of £6.8k
was in contact with a guy called anthony, originally saw an advert that his mine was closing down on ebay and contacted his email. he purported to be from crypto-minds.co.uk, said he set up shop as cryptomining-shop.com
bought 5 ant miner s9's.
they've obviously not turned up.
gutted
the transaction was here:
https://live.blockcypher.com/btc/tx/e4eda0e3f8ec16cf0b5e155c046d23524475f3c700bef96468691b05284cb8d4/disappears off to a lot of wallets pretty early on.
hopefully no one else gets stung the same way.