Here we are, 5 years and two children later, with the same dependable Britax Marathon.     Was it pricier than almost all others?  No doubt.  Did it get the best reviews when we bought it?   Yes.    I got more bang for the buck on an amazing product.

 We bought this when we had my daughter.   She is now 5, and she misses the comfort of the Britax.   The comfort now belongs to her brother, now 2.  

It was fairly easy to install.   We installed it once, and the only time we've taken it out at all is for deep cleaning. 

If you are planning on transferring it from car-to-car,...