After copious research, I bought these Calphalon stackables for my wife for Christmas to replace our hodgepodge of stuff. I am thrilled with the set! They look great and stack as advertised. We store them in four stacks (three of cookware and one of the lids) under the stove plus the two stock pots separately in another cabinet. The most used items are on top of each stack for convenience. This freed up a bunch of space. I washed them after she opened the box and we cooked Christmas dinner with them. The non-stick surface works better than anything that we had before. The cookware distributes the heat perfectly, so no hot spots when cooking (yes, I actually tested this). We've really enjoyed using them since Christmas. Cleanup is quick and easy.
Other reviews noted that these are heavy, and they are. That's the price of the ridiculously even heating and solid durability. I wish that we had these years ago. Worth every penny. Amazon shipping was quick and in time for Christmas. The box is VERY heavy, so don't try to pick it up by yourself unless you are decent shape and use proper lifting techniques. I'm over 60, but picked it up correctly.