Amazon.com cut its price on Hasbro's Star Wars Darth Vader Force FX Lightsaber to $49.99. With free shipping, that's $20 under our mention from last week and the lowest total price we've seen for this lightsaber. Features include a glowing Blue polycarbonate blade, four motion sensor controlled sound effects (power-up, idle hum, clash, and power-down), metal hilt, and display stand.