I faced the exact same choice and ended up going Troll SK. I'm a noob, but have loved my experience so far getting to level 13. Only thing I'd add is that being an evil race has been a little annoying, but I spent from 7 through 13 in Blackburrow getting to apprehensive with the Qeynos guards (with the help of a druid whose Wolf Form let me turn in about 120 fangs).
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