If we can't refinish the stairs then this might work. DIY: How To Cut, Paint & Install Stair Treads + How To Remove Carpeting + How To Install A Stair Runner (awesome step-by-step tutorial & pictures!) - these are excellent tutorials!
Staircase Remodel Totally going to do this. Plan on ripping carpet and doing the real deal anyway so if this works and saves me a boat load of money. Not sure of the white but the stained tops are beautiful