How to Put Your iPod into DFU Mode

Geohot has done it again. He will eventually release an untethered jailbreak for the iPod Touch 2G MC Model, iPod Touch 3G, and iPhone 3GS New Bootrom, and probably the iPad. The question is whether or not it will be released before Greenpois0n. No release date has been scheduled. He has said this will be as easy to use as Blackra1n.