Oiled walnut. I know thats the original finish, but it is a very high maintenance finish that scores low on protection. Certainly dont want glass rings forming again (though as a rule I dont substitute my speakers for coffee tables), dont want it to get easily scratched, dont want it to get bleached on one side because the speaker was placed near a window. I need: 1. Protection...from UV rays, fine scratches, humidity 2. Low maintenance: I mean to say I dont wanna work on these every year! I wa