I just did the install on this....of course I had to go to IMM76Q, and I lost root. I had to download Wug's 1.53 toolkit and reroot my Nexus. I then re-installed Voodoo OTA Rootkeeper and saved my root. I flashed the new VZW leaked JB build, and it stripped my root, but this time I reapplied my Root from Voodoo, and now I am on JB with Root!!! It's awesome. I love how the build is from July 16th. Are you kidding me????? Almost 2 months for Verizon to get JB out to us, and its still the original build from July 16th???? I am curious to see what the official build number will when its finally "officially" released....probably still be JRO03O. Anyway, I am happy to have JB, I was going to flash Bugless Beast this weekend so this came at a good time.
P.S. After playing with this for the last 2 hours, its very stable and quick and I love it!!! I like project butter. Not sure about the LTE radios yet because I am currently away from home and the area I am in does not have 4G.