Newegg has MBD-X10SDV-TLN4F-O for $702 after 10% coupon code: 0313GMVRS57 now. New Xeon-D is at the corner, but this one seems really good for it's price now.
SUPERMICRO MBD-X10SDV-TLN4F-O Mini ITX Server Motherboard Xeon processor D-1541 FCBGA 1667 - Newegg.com
SUPERMICRO MBD-X10SDV-TLN4F-O Mini ITX Server Motherboard Xeon processor D-1541 FCBGA 1667 - Newegg.com