Obsessed. Obsessed. Obsessed with packing cubes (and all things ebags). There was another thread recently on the Budget Board about a carryon and it got to packing cubes and ebags talk. Anyway, I started with the small, medium, large set and then got the slim set, along with the pack-it-flat toiletry bag, and the padded pouches. I think my next purchase will be a shoe bag(s). I have become a much better packer since i bought them and I bought two more colors/sets for other members of our family. DH decided that they won't make packing better for him so he won't use them, but it is so easy to pack, unpack, and organize all of the STUFF that a family needs to travel.
I used them for a split stay: 1 bag for AoA and then another for when we moved to Pop. We put multiple peoples' clothes in one bag instead of having a separate bag for DH, Kid 1, Kid 2, me, etc. Now, I just arrange the cubes as a puzzle and I know exactly where each person's clothes are because we (almost minus DH) each have our own colored cube, instead of wasting space in a suitcase because it was one person's (only) bag.
Love, love, love them. Wish I traveled more often so that I could have a reason to keep buying from ebags!