You can build the Linkwitz LX521 for about $2800 in drivers, active crossover and pre-cut cabinet parts. You'd have a loudspeaker that nobody here would even come close to surpassing, at ANY price.
http://www.linkwitzlab.com/LX521/LX521_4.htm
http://www.linkwitzlab.com/LX521/LX521_4.htm