Lots of other choices for some 15's bro. Check out all the subs available on this site and others like DC and Fi. Some people may give you suggestions based on what they have only heard by word of mouth rather than experience. I would do as much research as possible before you drop the loot. Give us plenty of info about the available airspace (maximum height, depth, width). You want to make sure that whatever drivers you purchase have space for the optimal enclosure.