I used the univenture sleeves too. i used the ones with a flap but without the storage space for booklets. I also have different colors for different genres of music. Even with the sleeves my CD library got too large. And that's not counting DVDs, CD+Gs & VCDs. The next step I did was remove the fold over portion of the sleeve which made everything even slimmer. By time the cases were filled up again I was on my way to having everything digitized on the computer. Ripping CDs & DVDs was fairly easy. CD+Gs & VCDs was a royal pain in the azz. Digitizing laserdiscs can be best described as running face first into a brick wall. I had estimated 80 hrs to do all my laserdiscs, I did them in around 40 hrs using two players and two computers.