Anywhere that's not the Dreamheart, for starters. We should probably make a few jumps just to throw off Mary Poppins if she heals up and tries chasing after us, and maybe take a few precautions against scrying as well. Then I think we'll want to find somewhere relatively safe so Cade can actually take that nap. I think the possibility of Hades or Gehenna was mentioned on the grounds that both places are so awful no one would want to go chasing us there.
How afraid of time paradoxes are we?
Did you guys have an encounter where one of you (Raoul, actually) got close to his "Time clone", and saw what happens? Or did I just imagine that/have it in the secret backstory in my head?...
I'm pretty sure I at least mentioned it (or should have)... Basically, if you get within a mile or so (I think I have actual rules on this somewhere...), you start having headaches and the closer you get the worse things get, till Bad Things
TM happen if you get within around visual range of each other.