You could turn the cupboard doors into serving trays by attaching handles to each end.
Diann....Paint will make a huge difference or you can stain.
My cabinets are cheapo pine with a orangey-colored stain. I just lightly sanded and painted with kilz and then some "oops" paint in white from home depot. What a difference! My kitchen went from dowdy to cherry.
If you aren't using them in the kitchen or bathroom anymore, you can move them out to the garage for extra storage.