Funny you should mention this now. I'm just about to switch out my commercial DVD cases with a combination of slim packs digitrays and ace cases. Digitrays are the DVD trays that Enterprise comes in, bound together on one side with tape. I just need to figure out how to make decent sleeves. For single and double-disc movies (not franchises!) I am switching to slim packs, and for my hard-core disc-count shows like Six Million Dollar Man and Happy Days (over 30 discs in each series) I will be putting them in Ace Cases, which look like VHS cases but have a sort of reverse spindle inside. Observe: