What price would you be looking to pay?

Hi there. This is my first post. A friend of mine is asked me to help her sell some of her Lego. Is the community here a good one to sell too? The Lego are as follows: Lego #7785 Arkham Asylum http://lego.wikia.com/wiki/7785_Arkham_Asylum Lego #7782 The Batwing & The Jokers Ariel Assault http://lego...