I got one a week ago and it still working at 110 GH/s I still paid too much for it with shipping ~2800
I see he lowered the price since, the Antminers are there also, one was shipped in 3 days, still waiting..
You got to Really be careful that the wireless Spy's will email you wanting WU, and a fake sellers! At very low prices.
Not to worry as you should use a CC never WU. At least till trust is up.
They must have unprotected wireless networks.. I found at least 3 good sellers, Just check out the reviews like a investigator,
and look at the scam list sites, I found two fake sellers that way. And always use AliExpress for messages.
Be very careful, good luck.