I picked story, but to be honest I've decided I'll be a Trooper since they were announced. I love the Clone Troopers, and Trooper is the closest I'll get to those, so I'm rolling one. I love the idea of a regular guy who defends to Republic, so I guess that counts as story.
"Sir,we are beginning our search for these rumored 'underwater villages'.They will not stay hidden for long". -Battle Droid Commander OOM-9!