C.J.
Have you checked Graco? My son out grew his before he could sit up so my friend let us borrow hers. I think it went 30 pounds and 32 inches. You might want to check online for the correct weight and height limits. When my daughter outgrew hers at 6 1/2 months we just went to a Britax Marathon and placed it rear facing until she was one. I wouldn't spend lots of money on a travel system we just moved our son out of the car seat and into the stroller (it had an infant boot so he couldn't slide out).