I use a furniture polish once a month b/c the man from Cresent furniture told me to do that. He said the wood needs it to keep it moisturized because wood can dry out just like anything else can. He said that's the reason some people have furniture that can be handed down as antiques, and others don't. So I do what he told me to do. I want it to last at least as long as I live.
I use either the Old English in the pump spray, or Pledge that's now in the pump spray with the Orange scent. I like Orange a lot better than Lemon, but I buy whatever's cheapest on any given day.
The rest of the time now I just use a Swiffer and a vacuum hose running at the same time. Holding a vacuum hose up where I'm pushing the Swiffer towards keeps any dust from going anywhere else at all. Swiffers will catch most of the dust, but some of it DOES go in the air no matter what they say. I want it REmoved completely--not just moved around.