http://ping.fm/zT6ao
Good news for iPhone4, iPhone 3GS, iPad, iPod Touch 4G/3G that MuscleNerd iPhone Dev Team has confirmed that the new untethered Jailbreak using Redsnow 0.9.8 and PwnageTool 4.3 is intended for all iDevices including 2nd-generation Apple TV(except iPad 2).