http://android-developers.blogspot.com/2009/09/android-16-sdk-is-here.html

And http://developer.android.com/sdk/android-1.6-highlights.html

the G1 is way too slowwwwwww. Android is nice, i just want better hardware. The Zii Plazma looks crazy off the chain, but its everything BUT a phone =[

Then there's the Nokia N900 which is also linux based AND gives the user full root control... http://www.youtube.com/watch?v=GhTtsZATwBQ

and also costs a buttload.