iPhone OS 3.1.2 devices including the iPod touch 3G and new iPhone 3GSs -- but you can't unlock yet, so don't get any big ideas about switching carriers. Windows-only at the moment, but with this level of enthusiasm out there we can't imagine a Mac version is far behind.
[Thanks to everyone who sent this in]
Blackra1n jailbreak now available for iPhone OS 3.1.2, iPod touch 3G
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