Here are the links for iOS 6.0 (10A403/10A405). As always, hold off if you rely on your jailbreak/unlock. There’s an “iPhone3,2” variant of the 4 now, as well as two variants of the new iPhone 5 (“iPhone5,1” and “iPhone5,2”).

iPod Touch 4G – iPod4,1_6.0_10A403_Restore.ipsw
iPod Touch 5G – iPod5,1_6.0_10A406_Restore.ipsw

iPad 2 WiFi – iPad2,1_6.0_10A403_Restore.ipsw
iPad 2 GSM – iPad2,2_6.0_10A403_Restore.ipsw
iPad 2 CDMA – iPad2,3_6.0_10A403_Restore.ipsw
iPad 2 Refresh – iPad2,4_6.0_10A403_Restore.ipsw
iPad 3 WiFi – iPad3,1_6.0_10A403_Restore.ipsw
iPad 3 GSM – iPad3,2_6.0_10A403_Restore.ipsw
iPad 3 CDMA – iPad3,3_6.0_10A403_Restore.ipsw

iPhone 3GS – iPhone2,1_6.0_10A403_Restore.ipsw
iPhone 4 – iPhone3,1_6.0_10A403_Restore.ipsw
iPhone 4-2? – iPhone3,2_6.0_10A403_Restore.ipsw
iPhone 4 CDMA – iPhone3,3_6.0_10A403_Restore.ipsw
iPhone 4S – iPhone4,1_6.0_10A403_Restore.ipsw
iPhone 5 AT&T GSM – iPhone5,1_6.0_10A405_Restore.ipsw
iPhone 5 Verizon CDMA / International GSM – iPhone5,2_6.0_10A405_Restore.ipsw