new decks - a lot of Emperors New Clothes IMHO. Harry Weisfeld of VPI once said in an interview to produce a Technics SP10 would require £30k - for tooling - the motor etc.
In TT design the pinnacle of high tech relative to market usage/penatration was the 70's. Magnetic strips for speed control on platters can only be done by companies with real manufacturing economies of scale. Most belt drives are far more low tech than DD's of the 70's. Most of the new tech is a regurgitation of previous designs and technology.