Dougs headers, where to buy?

Anyone have a better price than Summit or Jegs?

http://www.jegs.com/i/Doug%26%23039%3Bs+Headers/776/D453/10002/-1

http://www.summitracing.com/parts/DOU-D453/

$579 either way and I'm a cheap SOB who has a new garage to pay for in the next few months so every little bit helps..

Going to try and make a race event down at Cecil in November and flog the 5.2 Duster.

Please no "I'd buy Hooker" or "I have a used set of Hedmans for sale" PM's or posts, I have already made up my mind what I want after dwelling on it for months.

Thanks!