All, I have been following issue 4787 at code.google.com called "Navigation - night mode" and it looks like the Nexus One users just got an OTA. I'm hoping that this may be included when we finally get 2.1 Here's the quote from the Update:
Edit: Another update just came in:Comment #39 on issue 4787 by drathos: Navigation - night mode
Issue 4787 - android - Navigation - night mode - Project Hosting on Google Code
The Nexus One got an OTA update that added night mode to nav, pinch-zoom in browser, maps, and gallery, and a couple of other things. No word on when it will come to us Droid users.
Yes us Nexus One owners got an OTA update this week (I got mine last night) that
included a night mode for navigation. It's nice to see that Google is listening to us
and making Android that much better.