On Tuesday, T-Mobile and Google announced the first-ever handset with Google's new Android operating system.

Called the T-Mobile G1, it has both full touch-screen functionality, a QWERThe Google Android phonTY keyboard, a trackball for one-handed navigation, plus access to mobile Web applications like Google Maps Street View, Gmail, YouTube, and more.

The G1 is available for pre-order now in the US in limited quantities fot T-Mobile registered users.