Concord Transformer XT

Concord has another lust worthy booster seat, the Transformer XT. The seat is designed to be used comfortably by children ages 3-12. This is accomplished by a hydraulic adjustment system.

Features
* Group 2-3 child restraint - Suitable from 15 - 36kg
* Headrest height and height and width of shoulder protectors are simultaneously and continuously adjustable at the touch of a button
* Sit/recline inclination continuously adjustable at the touch of a button
* Twinfix connectors extend at the touch of a button
* Belt guide opens and closes at the touch of a button
* Robust, double-walled safety shells in head and shoulder area
* Closed shell shape provides optimum whole-body protection in the event of a side impact
* Unique design with clear lines to suit all vehicle interiors
* Covers featuring the TRIZONE concept: depending on the requirements either comfortable, breathable or hard-wearing

£225 and it's not available in the United States, but if you really want it there is always eBay.