I've been doing alot of on line shopping to find a booster with a 5 point belt with a higher weight rating. The Britax is high priced, but there is another one that's $429.00
!
I also found the Apex 65 (by Safety 1st), the 5 point belt is rated up to 65 pounds and converts to a belt position seat (booster) that takes up to 100 lbs. That one is around $170.00. It has good ratings and customer reviews too. I still haven't decided, though. Price really doesn't matter to me (except for that $429.00 one!!), I just want as much safety as I can get for my little one.
The 12 year old will poke my eyes out if I even bring up putting her in a car seat
(She's still under the 100 lb. mark). She's REAL tall, though (5'5") for her age... she'd look funny all scrunched up in one.