I will make this one criticism of Martin, I never found the later books as unpredictable as the first one, in large part because I quickly learned that any and every Stark reunion would not happen, and every tragedy that could be inflicted on the Starks would be inflicted upon them.
Mind you I love this series, but grimdark twists where "everything horrible that could happen to the Starks will happen" isn't much more unpredictable than "the heroes will always win"
The best twist Martin could throw in about now is two Starks unexpectedly running into each other IMHO, but I guess I understand why he feels all happiness must wait until the endgame
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The Legend of Snake: http://tinyurl.com/3cal86z
The LoS Instruction Manual: http://tinyurl.com/3jlax8h