Britax Marathon Convertible Baby Car Seat for $149.99 shipped.  Note that you will need to add it to the cart for $199.99 and check out as usual to see another $50 off on the Order Review page as shown in screenshot.  Note that this price is only available for Tan Swirl color.  It has built-in lock-off clips, Versa-Tether & Safe Guard LATCH Connectors and both rear-facing and forward-facing recline.  Most places have this car seat for over $270.

This deal has expired.  That was fast.  Congratulations to those who were able to get in on it.