Originally posted by ScantyNebula

This pic is soooo cute! It's like even though she's looking at you, she can't stop playing (as evidenced by the blurry paw).

Sorry I can't help with the panting thing. I would think it's just the new smells, but I know when I took Eddie to the vet he was panting and the vet said cats will usually do that when under stress, but it just seems odd that having a new kitten around would be that much stress for Toby.