mwave has
Premiertek PT-EN25 EZ STOR Aluminum 2.5" USB 2.0 Portable External SATA HDD Enclosure For MAC and PC Transfer Up to 480MB/Sec (Black) for $4 + FS
Model PT-EN25
Features and support Fits SATA I/SATA II/SATA III 2.5-inch slim type hard disks
Bootable: The computer can be booted directly from this enclosure, for the purpose of switching OS and system backup. BIOS support bootable function required.
USB 2.0 and 1.1 compliant
Up to 480mb/sec.
Plug and Play hot swapping
Superslim, lightweight and portable
Draws power from your USB port. AC adapter is not required
Compatible with Mac & PC computers
Weight of the USB drive is around 3 oz. (without hard drive installed)
Dimension: 5.0" x 2.95" x 0.5"
System requirements One available USB port (either USB 1.1 or USB 2.0)
Mac O/S 8.6, 9.x, 10.x (please see support above)
Windows 98,98SE, Windows Me, 2000, XP, Vista, 7
One available CD-ROM drive for software installation
16MB RAM
Package contents Aluminum USB 2.0 2.5" SATA HDD Enclosure
USB Cable (A-mini B)
Leatherette Soft Pouch
Screw Driver
2.5" hard drive NOT included
Premiertek EZ STOR Aluminum 2.5" USB 2.0 Portable External SATA HDD Enclosure $4 + FS 
