I just ordered the Adroid Dev Phone 1, an unlocked Android device available
through the Developer Console.

Price: $399.00 USD
Overview
Run and debug your Android applications directly on a device. Modify and rebuild the Android operating system, and flash it onto a phone. The Android Dev Phone 1 is carrier independent, and available for purchase by any developer registered with Android Market.
Development Platform Features
- SIM unlocked - Put any SIM in the device
- Hardware unlocked - Rebuild the Android operating system, and load it onto the device
- Test out your apps on real hardware before publishing them to the world
Hardware Features
- Touch screen
- Trackball
- 3.2 Megapixel camera with auto focus
- Wi-Fi
- Bluetooth v2.0
- Handsfree profile v1.5
- Headset profile v1.0
- 3G WCDMA (1700/2100 MHz)
- Quad-band GSM (850/900/1800/1900 MHz)
- QWERTY slider keyboard
- Includes 1GB MicroSD card (Can be replaced with up to 16GB card)
- Included in the box
- HTC Android Dev Phone 1
- USB Cable
- AC Adapter (with US plug)
- Stereo Hands-Free Headset
- Battery
- Getting Starting Guide
- 1G Micro SD Card (inserted into Device)
Software Features
- Real web browsing
- Customizable home screen
- One-touch Google Search
- Android Market
- Full-featured Google applications:
- Google Maps
- Gmail
- YouTube
- Google Calendar
- Google Talk
- SMS and MMS
- Music Player