Those who are waiting to download GreenPois0n may be getting it within the week. P0sixninja of the Chronic Dev-Team today revealed that they GreenPois0n, which uses GeoHot's Limera1n exploit (the story of why tells like a nerd soap opera), will soon be released to support iOS 4.2.1.
This news comes from his Twitter account, in which he posted the information and said that the jailbreak will be tethered or semitethered and should be available within the next few days. Perhaps it will be in time for Thanksgiving or just shortly after.
Below is his tweet:
As always, we will be checking them out and posting guides to help you run the jailbreak on your devices.
Don't forget, we have guides for jailbreaking your iOS 4.2 device on RedSn0w:
We also have a guide for jailbreaking 4.1 with GreenPois0n.