We just reported about Sn0wbreeze 2.8b1 released to jailbreak iOS 5 Beta and now here is Redsn0w 0.9.8b1 for Windows release. Redsn0w 0.9.8b1 for Previously we wrote Redsn0w 0.9.8b1 that can be used to jailbreak iOS beta on Mac. Now Dev team has come up with the jailbreak iOS 5 Beta for iPhone 3GS, iPhone 4, 3GS, iPod Touch 3G, iPod Touch 4G and iPad 1 on Windows platform. Redsn0w 0.9.8b1 will be useful for those who want to preserve baseband. This particular jailbreak is meant for those having access of iOS 5 Beta version from Apple developers account.
Unlockers should keep the distance from this because restoring to iOS 5.0 will upgrade your baseband (unless you use Sn0wBreeze).