NITDroid project have recently achieved another milestone, Modders have released very first Alpha version of Android ICS for N9 smartphone. Well here are some more demos of Android ICS running on the Nokia N9.
Android 4.0.3 on Nokia N9 by MrTuxTalk :
Nokia N9 (Android 4.0 ICS) by kuzmichov:
NITDroid is still in Alpha release stage, Check out more details over here on this site.