BuyDig.com has the Western Digital My Book Live 2TB Network Attached Storage Drive (WDBACG0020HCH-NESN) for $110 - $20 off with coupon code
VMEMOMDAY20 (when you check out with V.me by Visa) =
$89 with free shipping. Features automatic backup and is compatible with Apple Time Machine. Normally $130 to $150.