I'd get one of the mb quarts and wire it in series.
http://www.rockfordfosgate.com/rftech/woofer_wizard.asp?submitted=true&woofer_qty=1&woofer_imp=3
ay send me pics, and your like 3-4 hours away from me, i have a friend down there who lives in the imperial valley that can possibly pick it up for me.
both my amps are maxxsonics products, i have had my brutus (and i bought it used) for over 2 years and my pab 2100 for over a year, and they have yet to fail me.