Cybex Aton

We have used this from birth and bought it as we could get adapters to go with our Skate pram from Mamas and Papas (which we no longer use). My son is now 13 months and we are still using it, although in the hot weather he's now starting to get a bit sweaty as he's 20lb and it's a bit snug.
His feet are on the back of the seat now but he still seems happy enough in it and falls asleep readily.I was worried about the seat belt on his legs but it has never been a problem. It's easy to belt in and doesn't move about. We've had no problems with it (unlike the pram!) and would recommend it, especially for value as no extra cost of an isofix base.