Release looks to be soon
New Verizon MAP Released: DROID 4 Priced at $249 – Droid Life
It shows the map for the D4 being 1/10/2012 to 7/10/2012. Given it also show the Galaxy nexus from 11/10/2011 to 5/10/2012 and it was released 12/15/2011.
It also has a nice price of $250 listed