I bought a Graco seat for my son when he was an infant and was never happy with the overall performance. With my daughter I did a bit more research and found the Marathon to be a good choice. It is a bit pricey, but was well worth the money. My son now says when he grows up, he'll get a car seat like his sister. He's so envious! It is easy to adjust the straps and they don't twist like other carseats. She looks so comfy. The only drawback is that with it's size, I can no longer fit another passenger between the carseats in the back and I have a mid-size SUV.… read full review »