I did order. AliExpress is good about buyer protection it seems, though, and I can cancel very easily.

They are a gold supplier (verified, highly rated) on AliBaba.

http://chinapcb.en.alibaba.com/product/1512617685-220415335/Booking_Charge_BITMAIN_launch_first_batch_AntMiner_S1_180GH_s_360W_for_miner_bitcoin.html seems to be the same company (cheaper though).

edit:

and lots of good feedback on their main account:

http://feedback.aliexpress.com/display/detail.htm?ownerMemberId=206064915&companyId=218458668&memberType=seller