Uppydate: See http://petoftheday.com/talk/showthread.php?t=159497
She has been diagnosed with Calcium Oxalate Crystals/stones. She is really doing fine - absolutely NO change in behavior at all, still her sweet silly self, but there was still blood in her urine after the course of antibiotics, so back to the vet. Good news is it's not cancer like Peanut had - just crystals - whew....I think.