Like me, you must be very curious to check out how the Android's GUI looks like. Does Android has cooler interfaces than iPhone's? Does it sucks like Windows Vista? Stop guessing, I have the answers for you. Pictures below are official released pictures taken by CNet. Hurray!
1) This picture shows how to set the time on Android device

2) Wow...awesome transparent calendar. Isn't it Mac-style?

3) Auto lookup feature is built-in in Android OS as shown below.

4) The Call Interface