Just got my nexus one! Here are my findings so far. First of all, this thing is fast, really really fast! It started up in about 15 seconds! Secondly, it goes from screen to screen fast fast fast! Voice to text feature is absolutely spot on. There's too much to report. If you guys want some more answers just let me know and ill post on this thread.
I will comment on the battery life. When you first get it expect that you will test it out and the battery life will be very short. Other wise the battery life is just short. I have been a long time blackberry user and just switched from the storm which had a good battery life. I be on the phone and surf the web and send text throughout the day and it would be drained 9 to 10 hours later. My point is I don't think that I will have such luck with this phone. Although for me it is a trade off and something will come down the pipe line to make it better. I also like the feature that it has that you can tell and adjust the things that are using up most of your battery.
Not having the Outlook- Android sync is the single biggest mistake Google have made. iPhone has it and many people use it. As it stands you must sync your Outlook with a Gmail account first then sync the phone... this is obviously something that will have to change pretty soon if Google is serious.