Cable Question

[bhingston]

I'm a newbie to this so I'm just looking for some answers before I jump in and buy some new speakers.If I wanted to hook up the Behringer MS40s, a Daytona sub to my Macbook Pro what cables would I need? Am I close in thinking this:
Computer to Speakers:
http://www.monoprice.com/products/product.asp?c_id=102&cp_id=10229&cs_id=1022902&p_id=1556&seq=1&format=2
Left Speaker to Right Speaker:
http://www.monoprice.com/products/product.asp?c_id=102&cp_id=10218&cs_id=1021803&p_id=653&seq=1&format=2
and
Speakers to Sub:
http://www.monoprice.com/products/product.asp?c_id=102&cp_id=10218&cs_id=1021803&p_id=659&seq=1&format=2

Thanks for any help!