The price is estimated to come down 10% this year... not big deal. Better that is comes down but 10% does not make the day. If we are unlucky it comes down less. The Samsung has said that they will reduce memory production, so the estimation can be too optimistic.
I would think that if someone needed more than 64 GB of RAM there's a good chance they're using their PC for something that makes them money. In which case the RAM would hopefully pay for itself over time.
CPU officially supports 64 GB RAM. Will it work?
Max Memory Size (dependent on memory type) 64 GB