If the Nexus S 4G wasn't enough to get you excited, Sprint and Google have one more trick up their collective sleeves this morning: an unprecedented new level of integration with Google Voice. Basically, you'll be able to use your existing Sprint number in Google Voice, but through some custom-brewed sorcery and magicks, you won't have to port it to Google Voice -- your number, and your account, still belong to Sprint so that you won't get an ugly early termination fee. And if you like your current Google Voice number more tha
