pcmicrostore.com have PCMS IDE TO USB 2.0 DRIVE ADAPTER PC/MAC (PCMS-IDE2USB) $14. Neat little item without the external case to swap out drives quickly. Descriptions says it will work with 2.5" laptop drives, 3.5" desktop drives or 5.25" DVD-RW/CD-RW/CD-ROM. Here is the link
IDE 2.0 Adapter
Key selling bullets:
Compliant with USB 2.0 & USB 1.1
Drive Support: 2.5" & 3.5" & 5.25" (with converter - included) EIDE drives.
Connectors: USB A port to IDC 40-pin female for 3.5" ide hard drive or 5.25" ide drives
Supports various kinds of ATA /ATAPI based mass storage device port.
USB 2.0 High Speed (480Mbit) and Full speed (12Mbit) Support
Support Self-Power modes
Consume low electricity
Supports USB Suspend/Resume Wake-up ability
Supports plug & play specification
64/512 bytes Data Payload for full high speed Bulk Endpoint
USB 2.0 high-speed storage class applications such as Hard Disk, CD-ROM, CD-R / RW, DVD-R/RW, and DVD-Rom.
Support IDE hard drive up to 250GB
System and other requirements
PC Users
Minimum 64 MB RAM
Minimum 233 MHz processor
Windows 98SE/ME/2000/XP
CD-ROM drive
Available USB 2.0/1.1
Macintosh Users
Minimum 64 MB RAM
Mac OS 8.6 or higher
CD-ROM drive
Available USB 2.0/1.1
Product dimensions and warranty information
Standard Warranty: 1 year warranty
Package includes
USB 2.0 to IDE drive Adaptor
Power Adapter with 4-pin power plug and Power cord
CD Driver
User Manual
IDE 2.0 Adapter
Key selling bullets:
Compliant with USB 2.0 & USB 1.1
Drive Support: 2.5" & 3.5" & 5.25" (with converter - included) EIDE drives.
Connectors: USB A port to IDC 40-pin female for 3.5" ide hard drive or 5.25" ide drives
Supports various kinds of ATA /ATAPI based mass storage device port.
USB 2.0 High Speed (480Mbit) and Full speed (12Mbit) Support
Support Self-Power modes
Consume low electricity
Supports USB Suspend/Resume Wake-up ability
Supports plug & play specification
64/512 bytes Data Payload for full high speed Bulk Endpoint
USB 2.0 high-speed storage class applications such as Hard Disk, CD-ROM, CD-R / RW, DVD-R/RW, and DVD-Rom.
Support IDE hard drive up to 250GB
System and other requirements
PC Users
Minimum 64 MB RAM
Minimum 233 MHz processor
Windows 98SE/ME/2000/XP
CD-ROM drive
Available USB 2.0/1.1
Macintosh Users
Minimum 64 MB RAM
Mac OS 8.6 or higher
CD-ROM drive
Available USB 2.0/1.1
Product dimensions and warranty information
Standard Warranty: 1 year warranty
Package includes
USB 2.0 to IDE drive Adaptor
Power Adapter with 4-pin power plug and Power cord
CD Driver
User Manual