Safe and sound are a good brand and they used to (don't know if they still do), come with a crash swap guarantee. I have heard people say good things about the infacare turn-a-tot. If you want a capsule system, look to hire one as capsules can be pricey for something that might only be used for 6 months. The NRMA publishes a brouchure about what they consider to be the safest car seats and you can find it on the net.