What a shame...I just sold one at a yard sale and I am close to you. You know, they do have them on Ebay and they are relatively inexpensive. I just bought one for just under $50 and that included shipping.
Here is the link to the one I just purchased:
New Pink 09 Model Pet Dog Cat Stroller w/Rain Cover 3P - eBay (item 280267976521 end time Sep-11-09 16:39:05 PDT)