We're using a Mutsy stroller for our little girl. It's the "Urban Rider" modet - 4 air filled wheels with a swielling base, perfect for shopping. The handle is telescopic, so both tall me and my little boy (6 years) can operate the stroller without problems.
Check it out at
http://www.mutsy.com/ (There's also a cars seat that can be mounted on the frame)