Verizon's update for Galaxy Nexus Android 4.2.2 Jelly Bean rolls out for beta testers and its official release will be coming very soon. As the beta testing is going, xda developers have made several AOSP ROM for owners of the device to obtain Android 4.2.2 sooner.
Reuters It appears some Best Buy stores didn't get the memo from Verizon to delay the launch of the Galaxy Nexus, as some customers have already purchased the phone and are flaunting their units on the Web.
One of the fit ROMs for the Verizon Galaxy Nexus is the MMuzzyROM for Toro with build JDQ39. According to the original thread, the ROM is closely related to builds Toroplus, Mako, Manta, Maguro, and Grouper.