geohot just wrote one article on his blog in which he announces, with sadness, that he has jailbroken the iPhone 4 terminal he just received, but unfortunately he announced that he will not release any jailbreak solution for iPhone 4 in the near future. geohot also talks about limera1n, the existence of which he has denied until now, probably saying that it is a more complicated exploit than blackra1n.
Unfortunately, in the end he tells us not to ask for a release date for this jailbreak solution because each request "makes" him want to release it less and less. To be honest, Dev Team will probably come to the rescue this time, and geohot will probably be forgotten soon..
