Actually there have been some around for a while. The rarest unobtanium is the Roller Guard made around 1920 -30.That is real cool looking! Never seen a DE with rollers before. Saweeet!
The other more famous one, but folks don't think about it because of it's other more famous feature is the Stahly Live Blade. I recently got the Stahly and found out that the vibrator was broken (and many have told me that was probably a good thing) and have been using the head in my regular rotation using a different handle.
Rollers does make for an interesting shave. I look forward to my SE Wilkinson shaves.