Dev Team frontman MuscleNerd made an interesting comment on Twitter today about the future of PwnageTool and RedSn0w for iOS 5.
Both jailbreak tools will be essentially merged together for an upcoming iOS 5 jailbreak. PwnageTool has been a Mac-only jailbreak tool for years that allows iPhone users to preserve their basebands. A future version of RedSn0w will let users create custom IPSW files to preserve the iPhone's baseband as well...