Britax Marathon Booster Car Seat - Onyx

We bought this car seat nearly four years ago and LOVE IT! We originally purchased this seat because of a review in a thrifty mom magazine. It said to buy it because it was the safest seat: don't be intimidated by the price! (which I was!)
If thrifty moms think its cool despite the price tag, that is saying something!
Besides being safe, our children have always found it comfy!
Other moms and the grandparents have commented on how easy it is to install and remove: no wacky clips to attach!
(One mom said "I don't care HOW much you paid for it! Its a great seat!")
We have put two of our three children in this one (the third is still in her infant seat). I've never put the babes in it under 11 months or so or used it rear facing, although i understand that you can do that, too!
I'd buy it again...in fact, we purchased the Roundabout (in denim)for our daughter when she outgrew her infant seat.
The top of the seat has faded in the sunlight. Because the seat is black its pretty noticeable, but I expect that any seat would to that though!
Its a great seat, but hey, its not perfect! Its heavy and bulky. We have to take it on a plane later this month and I'm not thrilled about toting it all over the place.
Oh, one more thing: we had to take the whole thing apart and clean it once. It was easy to do. I recommend washing gentle and cold and DO NOT put it in the dryer. (Give yourself plenty of time to line dry it).