Infant car seat?

Jenn • 34~ married ~ one daughter who's 12 ~ twins in 2013 as a surrogate ~ one son born 8/2015 ~ due 12/2016
I'm looking for a safe/reasonably priced car seat. I've looked into several and just can't decide which one will be the best. If money was no issue I think I would get the cybex Aton, and we might ultimately get this one since it has the safest features. And go....