RedmondPiew - According to MuscleNerd, a prominent member of the iPhone Dev Team, iOS 5 Beta 3, which was released to Apple developers a few hours ago, can be jailbroken using the same version of Redsn0w that was used for iOS 5 Beta 1 and Beta 2.
iTB: How to Fix Missing keys.plist Error while Jailbreaking iOS 6.0.1 Complete Guide
Glad you figured this out! It shouldn't be this hard to get redsn0w to work; we'll ask MuscleNerd to look into this and hopefully figure out a fix for future versions of redsn0w.
Computing Unleashed-"If you find that your recently updated ios 5 device drains off its battery too fast, then here are some ways that help you to increase the battery life of your iPhone, iPad & iPod touch running the new iOS 5."
Addictivetips-"A couple of months after its iOS 4-exclusive beta release, GO SMS for iPhone is now available for all jailbroken iDevices running iOS 5. If you have already updated to iOS 6, you are still out of luck, but we know that a lot of users have chosen to refrain from updating due to the lack of an untethered iOS 6 jailbreak with support for sufficient Cydia tweaks and apps."