wanted to share this for those looking for faster bed heating options with high amp 12v power supplies and a little extra mounting room.
http://www.ebay.com/itm/DC-12V-step-up-24V-18-26V-10A-adjustable-250W-boost-power-converter-supply-fan-/151004421295?pt=LH_DefaultDomain_0&hash=item2328909caf