<<On stage with Walt Mossberg, Google Engineering VP mentioned that an enterprise version of the Nexus One could have a physical keyboard and longer battery life—and there could be more Google devices, including a budget model.>>

http://gizmodo.com/5444173/nexus-one-enterprise-version-could-have-a-physical-keyboard-bigger-battery

A physical keyboard is nice for most people, though i don't really care for one. Longer battery life is always nice, but nothing is worse than the G1.