I am in the process of unmounting my Stampin Up sets and I probably have about 50-60 sets. I started with 10 sheets of ez mount purchased on ebay from the seller mentioned above. I love it and to me, it is worth the initial effort.
One hint I received from an earlier thread was to lay the stamps out on a sheet of paper and you'll get a rough idea of the best layout possible to make the most of using your ez mount.
As for storage. I just went to Kmart and bought cd cases (not slim) at $2.99 for a set of 10 but they are cheaper online through Rima as previously mentioned. I just wanted mine NOW! you know...take on a project and I want it done instantly!
I made my cd labels on my Word program using the labels menu and scrolling down until I found the spine label page. Double clicked on the border and made it black so I had some cutting lines. Typed the names of my sets in and printed onto cardstock. Then I used the red tape (1/4") and put a small piece on each end and adhered it to the inside part of the spine.
Also, I used my black StazOn ink to stamp the image on the back of the CD case. Two reasons - if they get misplaced, I know where they go and words sometimes get hard to read without the su sticker so it helps me read the words on sentiments.
hth! pam