Jazzcat,

I've said it before and I'll say it again...

WHAT'S ONE MORE POOP IN THE BOX???

Bring her home, with the understanding that you are only fostering her. It's only a matter of time before hubby falls head over heals in love with her. Then, keep her. THE END

BTW, cats with odd color eyes, especially white cats (and blue eyes) can turn out to be deaf.