I hope yopu don't mind but I am going to hijack this thread and also post a quick review from a similar nerd is maybe over critical. Saves starting a new thread.
ICS is very polished, much more so than any other version of android, ...
I swear to god I am going insane, I am having the same issue as mrvirginia. I am in bootloader but my base unit, laptop or brothers pc will not recognise my Galaxy Nexus. I have uninstalled the samsung drivers and reinstalled but nothing. Just sho...
Further to this, if you're a weirdo like me and want everything reset rather than a set value due to your own personal OCD, you can use "wm size reset && wm density reset" :good::fingers-crossed::silly:
From my understanding this does not change the native display which is shown on the screen but merely scales everything to a lower dpi. You are still pushing the same number of pixels.