Ok, this all started with my wife's idea to refinish our kitchen cabinets. Then it moved to replacing the countertops. Now because the countertops don't fit under the old backsplash, we HAVE to replace the backsplash. That being said, here is my problem. I started to remove the old tile with the tried and true putty knife. Works like a charm, but there is just regular old drywall underneath. That means the drywall facing is peeling off and I'm left with the brown paper backing. Should I:
A) Replace all existing drywall with Greenboard?
B) Replace all existing drywall with Drywall?
C) Remove all tile, clean surface and tile over existing Drywall?