As for dreams...I've been having them too. I dreamed night-before-last that I was being chased by a werewolf. I ended up being saved in the nick of time by a random stranger (who killed it with a silver bullet) but then it turned out the werewolf had been my younger brother, and I was really upset.
As for your kitty, is she spayed? If not, you may have more than one kitty when she gets back! (I have had cats take off for a couple of days and then make it home fine too. I hope she does!)