Chpwn (Grant Paul) and Phoenixdev (Paul Griffin) have posted photos of an iPad 3 that was jailbroken using a third method!
Jailbroken iPad (3), using a different method by myself and @phoenixdev: http://db.tt/mqIZmw96 http://db.tt/g2UlawxV http://db.tt/V9a3YZRJ
This has truly been an amazing day for jailbreaks. First iPhone Dev-Team
Most recently I0n1c posted a video to YouTube demonstrating that his jailbreak was untethered.