Housepets!

He'll choose Tarot because, as he's put it himself, he's only gone on one date with the dragon. Also she's a dragon.
After he choses the dragon, she will, in her jealousy, break the bond, and Tarot will loose her psychic powers.

Hm... I think it may still be the same town, just a different verse. So we might see some more of the HP cast turned quadruped...

I also want Apollo to make a cameo, seems appropriate.

Tarot. I suppose she'd be a bit weird, but she's such a cute doggy! Plus, i love pomeranians.