In the immortal words of Proffesor Farnsworth: Good News Everyone. Those pesky 4.6 iPhones remained firmly locked down until just hours ago. The now world famous teen-superhero George Hotz (or to use his alias: GeoHot) has done what he himself described as the impossible, he unlocked the 4.6 bootloader.

read it here iphoneae

Please please, can someone test this and post the results here for the whole iPhone community to share!
Robin.