The rollable OLED screen is cool, but I can't imagine actually needing one. Just give me a nice big reliable OLED monitor with a sturdy frame and a bunch of HDMI inputs. I don't need gimmicks, I don't want it curved, I don't care about 3D, it doesn't have to be any thinner than the thickest part, I don't want "smart" features built in, I just want a monitor with a great picture.
Having it rollable is just going to make it more expensive and complex, add many additional potential failure points and you need a bulky box for it to roll up into along with the mechanical bits. It could be handy in a few niche custom installs but it's mostly a status symbol.