White Castle doesn't want the fancy restaurants to have all the fun on Valentine's Day. The hamburger chain is trying to grab a portion of the estimated $3.5 billion spent by couples going out to eat on Feb. 14. While it may seem far-fetched that couples would celebrate their romance at a fast-food restaurant reservations "fill up fast " vice president Jamie Richardson said in a statement. Nearly 390 White Castle locations will be courting diners this Valentine's Day after a few regions started the tradition more than two decades ago the company tells MSN Money. Reservations? Yes you ...