I am not sure if you are still looking for an enclosure but I was just looking myself and found this
Newegg.com - Rosewill RX-358 V2 BLK (Black) 3.5" SATA to USB & eSATA Ext. Enclosure w/Int.80mm fan - black
Newegg.com - Rosewill RX-358 V2 SLV (Silver) 3.5" SATA to USB & eSATA External Enclosure w/Int.80mm Fan - silver
Just a few thoughts if you are still looking