gregory
jema, I don't think I'll ever have more than a couple dozen decks. Right now, I have seventeen decks wrapped in bandannas, and I can identify each one by the bandanna it's wrapped in. This situation my change when the bandanna my Hermetic Tarot is wrapped in gets some wear on it, though. Both it and my Archeon Tarot are wrapped in black bandannas- the Hermetic in a new one, the Archeon in a battered old one that I found in the street. (I tried to give the Archeon a new bandanna, but it refused. It likes the lived-in look.)
For decks with no boxes I like pretty bags at $1.25 CDN a pop, from Dollarama, myself... (I may just have too many decks, but they all have clothes