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 EMCNJJJ49
[Exp 1/12] - $15 rebate
[Exp 1/31] = $17
with free shipping. Features USB 2.0 and eSATA ports and reads and writes to up to two hard drives simultaneously.