I haven't run into the ad myself.
You can check out reseller rating site:
and read through the user reviews, while they do have an overall positive rating, you may want to read the negative reviews as they do go into more details as to what went wrong. But remember, user rating can be manipulated and shilled, so be careful and use your best judgement. You also may want to do a search on the company and go through the results and get an overall feel of the company overall and their feedbacks across the Web.
It is a Chinese wholesale site that pops up all the time on the side of CNET.
It has reasonable prices; but who has used it?
Is it a reputable site to purchase from?