TF700 received Jelly Bean update some time back due to the people not on OTA RootKeeper lost their root. Now XDA developer hiemanshu has come up with a solution to root your TF700 running on Jelly Bean, follow the steps to root your device.
Android 2.3.4 was leaked for the Samsung Galaxy S 2 just yesterday and already the custom ROMs have shown up. This particular ROM is DarkyROM2 with version XXKG1 which is Android 2.3.4. This is just the stock ROM which has been deodexed. So if you won the SGS 2 and wish to use Android 2.3.4 leaked ROM then you can follow the procedure below.