Hi guys. I'm looking for the best long-lasting storage option for my CDs. I own a large, steel DJ case ( http://images.auctionworks.com/hi/71/70863/cc-600.jpg ) that I want to store all my CDs in. I'm considering buying some Tyvek sleeves or Poly MaxiSlim cases. Which do you guys think would be a better medium for storage? Here's link to each: Tyvek --> http://www.american-digital.com/prodsite/product.asp?p=309&c=166&name=CDSleeve-Tyvekw/Flap Poly MaxiSlim cases --> http://www.american-digital.com/pro...24&c=1964&name=CDCase-PolyMaxiSlim-BlueSingle If you guys have any other recommendations please let me know. I should note that they have to be smaller than 135 mm in width. Anything wider than that is too wide.