Wayne my daughter has found herself in the same predicament as you are. Her little guy, Gabe, will be re-homed next month due to some real concerns about how he will act toward her 8 month son. His story can be found here:

http://petoftheday.com/talk/showthre...threadid=10551

I think the fact that she is an affectionate lap cat gives her a really good chance at finding that new forever home. I wish I could do something to help. You might be able to get some ideas by reading through the above thread. It's a long one, but offers many suggestions from our fellow Pet Talkers. Keep us posted!