which of these looks better http://cgi.ebay.com/Two-6-5-400-Watt...QQcmdZViewItem

http://cgi.ebay.com/NEW-PYRAMID-6-5-...QQcmdZViewItem

or
http://cgi.ebay.com/NEW-PYRAMID-600W...QQcmdZViewItem


i have a toyota pickup so i cant go any biger than this cuz there isnt room and i also dont wana spend alot but want some thing that sounds ok thanx