The iPhone Dev Team just released word that it will be possible for them to jailbreak the iPhone 3G S. It’ll take some time to work these into our tools, but the fundamental weaknesses are there: The bootrom is exploitable via 24Kpwn, and the baseband is exploitable via ultrasn0w. They’ll be able to jailbreak it, [...]
The iPhone 3G S does feel faster doing just about everything (even just flipping through pages on the springboard). This video is a great comparison of the speed difference.
iPhone 3G S Jailbreak possible