If you have ever needed to duplicate a hard drive or securely erase one without the need for a computer then the Aleratec 1:1 HDD Cruiser may be for you.
Western Digital have released a free app for the iPhone and iPod Touch that enables you to view your photos from either a My Book World Edition drive or from WD ShareSpace Network Drives.
If you want to swap out SATA or SAS drives on a regular basis from your desktop computer but you don’t want to continue to open the computer up, then you should take a look at the MB877IK Hard Drive Enclosure from Icy Dock.
If you have a need to connect some SATA disks to your computer externally, you might want to consider using a drive enclosure. The Sans Digital MobileSTOR MS2UT 2 bay drive enclosure also provides a RAID solution if you want to protect the data on your drives.
If you have been looking to try out a 3TB drive, but the cost has been an issue, then check out Best Buy. They just lowered the price of their external 3TB Seagate drive to $179.99!