EDIT: Man, Google is fast. This is now available officially in the market! No need to go through any extra hassle
OLD:
Looks like someone already ported the new Google maps with multi-touch and night mode to the Droid. Check it out below:
http://alldroid.org/viewtopic.php?f=210&t=1955
I haven't tried it yet, but lots are reporting that it's working. Enjoy!