The unlocked GSM version of the Motorola Droid, the Motorola Milestone, is available a few places online. 

Some features of the Motorola Milestone:

• Quad-band GSM (able to transfer phone between various GSM service providers, including use overseas)
• Bluetooth
• 5MP camera
• Android 2.0
• 3G speeds
• QWERTY keyboard
• Hi-res 480 x 854 pixel display

The best deals available on the Internet are below:

Amazon.com: $695.94 + free shipping

Tigerdirect.com:  $829.99 + free shipping