So I've decided to pull the Radian that my Daughter is currently in in my parent's car and put it in mine so my 18 month old can continue to ride RFing as he has outgrown his RA. So...the question is. For my 4 year old daughter, should I get another GN or something else for my parent's car. I like the GN. She rides in it in both my and my husband's car. The plan is to have her ride in whatever we get her for the next 1 1/2 years and then move my son into it and move her to a booster with seatbelt(if she meets the requirements, maturity, where the belt hits her, etc.) which I'm pretty sure she will. If not we'll just buy him another seat when he is 3 and needs a 5 pt booster. So my question is...is there another 5 pt. booster that people like better than the GN?? I don't want to buy another just because that is what I know and like. It needs to be relatively light(not like the Radian) as my dad constantly complains about how heavy it is and he has to be able to take it in and out easily. He is a total wimp and such a pain about carseats. They ride in their car once a month or less, but I obviously still want them in safe seats. There are crazy drivers out there!