That's right DX201 is neither CCD nor CMOS. It uses new DPS technology that surpasses CMOS and CCD technologies in image quality, dynamic range, exposure...
You can read more about the DPS HERE.
I don't know what the rolling shutter effect is, but i'd assume it does not have it.
I've ordered this camera from RangeVideo and should be getting it this week, hope i won't be dissapointed since it's not cheap...
I can check for rolling shutter effect when i get it...