I had been dreading making the commitment to buying these, but I'm glad I did. They are very light and smooth. The problems are that the cords hold the box shape and the yarn tends to have trouble moving around the hard corners, and it gets stuck going over the join, but it doesn't snag.
My mom and I both purchased the Denise Needle set after seeing it at the Stitches West convention. We both use our needles religiously and have made a variety of projects on them - afghans, sweaters, scarfs. The flexible cables reduce hand and wrist fatigue and the smooth needle tips work extremely well. I'm usually a bamboo needle user for the smooth feeling and these work just as well. Plus, you save money by getting so many needle sizes in both straight and circular styles. I highly recommend these!!