Toys"R"Us offers the Diono Radian RXT Convertible Car Seat in Black Scarlet for $233.99. Coupon code "SAFETY25" cuts the price further to $175.49. With free shipping, that's $35 under our June mention and the lowest price we've seen. (It's a current low by $59.) It features a 45-lb. weight capacity when used as a rear-facing car seat, 80-lb. weight capacity when used as a forward-facing car seat, and 120-lb. weight capacity when used as a booster seat.