The reason is "other". The carrier subsidized phones are always later with updates because of the customizations they need made.Is there a technical/other reason behind this?
Hope I see it pop up soon.Gingerbread is the fastest version of Android yet, and it delivers a number of improvements, such as user interface refinements, NFC support, a new keyboard and text selection tool, Internet (VoIP/SIP) calling, improved copy/paste functionality and gyroscope sensor support.
http://blogs.computerworld.com/17687/nexus_one_gingerbreadAndroid Gingerbread, though -- aka Android 2.3 -- was announced in early December. Google's new Nexus S hit the market with the software preinstalled just over a month ago. So where's the Nexus One's portion?
Google's answer: Don't worry -- it's on the way. A representative from the Android team tells me there have been no unexpected hurdles and that the rollout should be starting soon.