NOTE: I have no idea as to how trustworthy these companies are.

http://www.officespecialties.com/asus_computer_international_kcma_d8_server_motherboard_217195_prd1.htm?pSearchQueryId=420212
Ah even better, $250 and now one doesn't have to support a chinese owned newegg.

http://www.unitedoffice.com/pn/KCMAD8/Asus_46/
$270 another option

http://www.compsource.com/pn/KCMAD8/Asus-46/KcmaD8-Server-Motherboard-KCMAD8/
$260

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