UPDATED: According t live:
When George Hotz released his all iPhone/iPod 3.1.2 jailbreak application for Windows, blackra1n, he was unsure whether or not he would write a Mac OS X version. According to a recent post on Twitter it seems as if he's had a change of heart.
blockquote>blackra1n for mac coming soon...actually reuses code...NSRunAlertPanel causing crashes...and can anyone blackify the purplera1n mac icon?
It would be nice if this upcoming Mac version includes an exploit for the new bootrom but the probability of that happening is highly unlikely. For the latest news and tips for jailbreaking/unlocking your iPhone, visit our iPhone Jailbreak/Unlock forums.