You can scratch off another "premium" feature that no longer carries a premium price. According to the company's press release, Westinghouse Digital has announced that it is shipping LCD HDTVs with LED backlights at prices that challenge the traditionally less-expensive cold-cathode fluorescent lamp (CCFL) backlight designs. Its 40" LD-4070Z is on sale online now at Walmart for $439.99; that's at least 40% less than LED-backlit models from the major manufacturers....