Dan Morrill at the Android Developers Blog has announced that the 1.1 firmware release of the Android SDK is now available.  The new 1.1 firmware, which is seen in T-Mobile’s RC33 update, is compatible with all existing devices, but also includes new API functionality for future applications.

The SDK comes complete with a 1.1 version of the Android Emulator.

It is available from the Android Developer website.