My DS is 40lbs and 41.5 inches at 2.5 yrs old.

My DD is 33lbs and 41 inches at 3.5 yrs old.

I was thinking the next step would be a booster...but the ones I checked out at the store are WAY too flimsy.

I'm thinking the 5point harness would be safest....and they need the side impact.

Is the Britax Regent the way to go? Looks like we'd be spending the $560+ to get two seats... but it seems the safest.

Or am I missing an alternative?

Thanks all!!