Wouldn't go near it with a bargepole.

Neither would I, but some further reading in case it's of interest.

Thread from last year: http://community.ebay.com.au/topic/Buying/Scam/500150300

Thread on the US boards, from 2011 and recently resurrected: http://answercenter.ebay.com/question/Trust-Safety-Safeharbor/Secret-Sale-Legitmacy/900286435