Thanks everyone for all your replies! ^^
She DOES take PK actually- she's never refused that, but I don't think she likes the smell of them when they're dead. XD (I don't either) so maybe I'm just noheating them up enough.....
I can always go ask a petstore for some dirty gerbil bedding too. ^^
I'll try what I can to get her to eat, but there's no way she's leaving me. :3