Agreed. Another option out there is this one
http://www.walmart.com/catalog/product.do?product_id=5621871
It is a double stroller but when your oldest gets to big for it you can take out on of the seats and it is a sit-n-stand stroller. I have come very close to buying it a few times and it is very reasonably priced. And I know that the front seat is compatible with a few different car seat brands.