If I win, I promise to strive towards achieving world peace and ending world hunger! You may think it's a lot for a mere $10 gift certificate and you're right! I'm doing it for the Nexus 4! :D
Depends on which kernel you want to use. Most of them are usually flashable ZIPs. I use Franco's kernels. Great performance and battery life. You can find them at http://www.minooch.com/franciscofranco/Galaxy Nexus/JB/Jelly Bean/