iOS 5 beta 2 is jailbreakable by RedSn0w 0.9.8 b1
DevTeam hacker MuscleNerd has recently confirmed that the RedSn0w 0.9.8 b1 jailbreak works on iOS 5 Beta 2. All you have to do is to point it to a downloaded iOS 5 beta 1 firmware ipsw.
5.0b2 can be jailbroken w/redsn0w from 2 wks ago http://is.gd/6eek4Y (must point redsn0w at 5.0b1 IPSW)..devs ONLY please
This jailbreak works on all devices, exect iPad 2. This means you can get a tethered jailbreak on Windows and Mac OS for iPhone 3GS,
You can download RedSn0w 0.9.8 b1 for Windows and Mac OS