[According to this][link]: “$199 unlocked in stores. $100 rebate online if you have an active and old Google account.”
Sounds like the gloves are off.
[link]: http://www.androidguys.com/2009/12/14/reuters-nexus-one-available-directly-through-google-website-january-5/ “Reuters: Nexus One Available Directly Through Google Website January 5 | AndroidGuys”