1) Bettman stated that the Islanders would need approval from the Rangers to move to Queens (I am positive he is wrong)
2) No mention of Brooklyn
3) He does mention Suffolk as a possible option.
This articles shows that the Islanders can play in Brooklyn or Queens without approval from the Rangers. http://www.timesledger.com/stories/2010/21/at_islanders_willets_pt_20100520.html