This Safety 1st All-In-One Convertible Car Seat Stonehenge Gray is 29% off right now at Amazon and has 4 stars.  It runs $99.99.

It features:
* Rear-facing: 5-35 pounds; forward-facing: 22-50 pounds; belt-positioning booster: 40-80 pounds
* 5-point harness system with up-front harness adjustment fits children up to 50 pounds
* Quickfit harness system adjusts harness height from front in one easy step
* Side Impact Protection and latch equipped for easy installation
* Meets or exceeds federal and ASTM safety standards