Manaan is my favourite, I really like the concept and look of the Planet and Ahto City. And I need to say I love the Yavin Space Station too, I really like how it looks in the inside and the view of Yavin makes it look even more cool.
"Evil is a word used by the ignorant and the weak. The dark side is about survival. It's about unleashing your inner power. It glorifies the strength of the individual."