Scott,
The tab you refer to is the index that appears on the edge of the case when filed. This will not work on the thin Cd case as that portion is single sided.
I have a DVD R/W, Double Layer holding 8.5 gb. and may be my last media recording purchase. I said this many times over the years and then I get hooked on the latest technology when it becomes reasonably priced. Have not studied Blue Ray after I saw the intro price.
Fran in SC