I keep them together, but I take the cover off and have the covers all together in a Cropper Hopper Paper Pack so I can take a quick look at what's in them so I'm not flipping through the actual packs every time. Sometimes not all the papers are on the cover though.
I too kept them together as a stack until recently when I had so many half stacks - so I took them all apart and sorted them by colors. I store them in a Cropper Hopper Paper Holder. It works great and looks good on the shelf.
I keep mine in their stack, too. I got this little carry tote at M's that holds the small stacks (the 4x6 ones) perfectly. It was somewhere around $9 and I used a coupon. It has pockets all around it, too, that I use to put tools in. I can sit 3-4 stacks side by side. I love it!
I love these! I keep them in their packs and just store them standing up near my other cardstock. I like the convenience of grabbing a tablet and flipping through it.
I just bought the DCWV Brights and Neutrals color stacks. I was just wondering how you stored yours? Do you keep them all in the pack, or split them up and store by color?