help me pick please.

1. tank or dps? ( meele dps that is)
2. horde or alliance
3. Pally or warrior.
4. if warrior 2hand or duel weld ( IF YOU SAY dps)
i know faction dont matter and it matters about skills, blah blha blha. but im making a new toon and just cant choose for myself so im asking you peole to help choose for me.
No this is not my first time playing wow. i just like both classes played them both liked them both as tanks and dps but i just coulnt choose what to roll as for a toon but i think imma roll a Pally tank since i see ton of horde pally's ( Idk why) most of them are ret too.