eBay with Bullseye Deals has the Britax One4Life ClickTight All-In-One Convertible Car Seat Graphite Onyx) for $181 - $20 off at checkout = $161 with free shipping. Converts from a rear-facing infant seat (5-50lb) to a forward-facing 5-point harness seat (22-65 lbs) to a high-back belt-positioning booster seat (40-120lb).