ICS for samsung galaxy ace 2?

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http://androidforums.com – just bought my first samsung and first android phone. I used to have a Blackberry so i don.t really know anything about android. I just want to know if its true that samsung galaxy ace 2's OS is able to upgrade to Ice Cream Sandwich? and if it is, is it really advisable to do so? what difference would it make? i tried searching the net for answers but can't find one. hope you guys could help me. (General)