Do you have two cameras if you have two kids sharing a room? I know it's not *necessary* but I really like being able to peak at my toddler. She will probably move to a big girl bed at some point, and the baby will be in a crib in her room, at some point. So I'm wondering if having two cameras would be helpful or crazy. Our current monitor doesn't pan so sometimes even if she just curls up at the head of the crib she disappears. It's pretty junky and I'd like to replace it, but of course the nicer ones are $$.