I would like to comment on the Cosco High Rise Booster Seat.  We just recently switched my granddaughter from a traditional car seat that was suppose to "grow with her".  The old one was very uncomfortable and the seatbelt harness always cut into her shoulder area.  With this new carseat it has a special seatbelt strap holder that directs the seatbelt lower across her chest.  This allows her to move her arms around and her neck without feeling like the seatbelt was cutting into her skin.  She is much more enjoyable in the car now.  The new booster also comes with cup holders which is a very...