YES! I am obsessed. I use eBags and have 3 medium, 3 small, and the shoe bag. They are AMAZING.
Everything stays neatly folded and wrinkle-free, and I love that I can just take them, throw them in the drawer unzipped, and then zip them back up to leave. In October it took me under 5 minutes to repack my suitcase to travel home. I've always been a good packer but these have made me even more organized. I also like that I feel more delicate fabrics are better protected from other items in my bag, such as zippers on toiletry cases. My father worked for the airlines for decades and has seen his fair share of exploding zippers on suitcases, and these give me a bit more comfort knowing if my suitcase zippers fail, my items will still be neatly contained inside the eBags and not launched all over! When not in use I simply store them inside each other, inside my suitcase so they are always ready. They also fold down flat and are machine washable. The eBags website is constantly having nice promotions, and I found the eBags shoe bag on
Amazon for less than retail (it had disappeared from the official website last time I looked).
They are also deceptively roomy! I was pleasantly surprised. Reading the reviews really helped me decide on the right ones for me, however I think I will go and purchase a large cube for thicker bottoms like jeans and items like sweaters. I fit a thin pair of long jeans in the medium with all of my other pants (thinner materials) however I don't think anything more than a thin sweater would fit nicely in a medium, so I suggest sizing up.
ETA: I do the rolling method when packing and always have, and stuck with it for my cubes. I found I fit a TON in each - shirts in one medium, pants in another, and the third medium had 3 long-sleeve shirts I brought but was not full. My clothes do tend to be of thinner materials as I just cannot tolerate thicker fabrics most times, so YMMV, especially during different times of the year. I ended up using that least-packed medium as a "laundry hamper" of sorts and when I came home I knew exactly what had to be washed. In my small ones, I sort bathing suits, socks and undergarments, and actually electronics chargers!! Even the small ones are large. I've heard of people using a small one in the color red as an "emergency" kit as well since the red is bright and easily identifiable.