Sn0wbreeze 2.2 r1 is complete and about to release, we have got some screenshots of this new version. As you know Sn0wbreeze 2.2 will bring untethered jailbreak for iOS 4.2.1 with custom firmware, as we reported you earlier Sn0wbreeze will allow you to jailbreak iOS 4.2.1 with preserving the old (unlockable) baseband to be able to unlock it with the existing version of ultrasn0w.
You can notice on the above screenshot the new option "Baseband preservation mode" which let you jailbreak you iPhone with preserving the unlockable baseband.
You also will be able to installing custom boot logo and playing Pac-Man while creating your custom firmware. It's also rumored that Sn0wbreeze 2.2 will be released after the publication of Greenpois0n RC6 source code. [via iPhoneItalia]