Now iPad 2 jailbreak running iOS 4.3.x leaked by one of JailbreakMe testers, he jailbroke his iPad 2 on the below video by downloading PDF file which is the exploit used to jailbreak iPad 2 with JailbreakMe 3.0.
If you can’t wait for releasing iPad 2 jailbreak, you can go to this url from your iPad 2 “http://ryanlobbins.com/Saiz/saffron/iPad_4.3_8F191.pdf“
Important Note: This iPad 2 jailbreak is a very beta version and not compatible with all versions of iPad 2 (seems to work only on WiFi models) and this iPad 2 jailbreak may cause a crash in Safari. We don’t recommend to try iPad 2 jailbreak unless you have enough knowledge about the operation. We highly recommend to wait for the officilal iPad 2 jailbreak release.