Newegg has the Thermaltake BlacX Duet ABS Plastic 2.5" & 3.5" Black USB2.0 & eSATA Dual Hard Drives Docking Station (ST0014U) for $40 - 20% off with coupon code EMCXVVM39
[Exp 3/1] - $15 rebate
[Exp 2/28] = $17
with free shipping. Features USB 2.0 and eSATA ports and reads and writes to up to two hard drives simultaneously.